tai office cho windows 11

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Ready lớn install?

Before you begin, make sure your PC or Mac meets the system requirements.

If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go lớn the section sign in lớn download and install Microsoft 365 or Office. However, if this is the first time you're installing Microsoft 365 or Office, you may have some steps lớn tự first. Expand the Learn more section below for more info. 

Guided tư vấn in your browser can provide digital solutions for Office problems

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If this is the first time you're installing Microsoft 365 or Office, you may have lớn complete a phối of pre-installation steps or you may need lớn follow different steps kêu ca what's shown below. What you tự depends on if your copy of Microsoft 365 or Office is a home or a business product and whether or not you have a product key that you still need to redeem, an trương mục already associated with your product, or a pre-assigned license.

Microsoft 365 or Office for home

If you have a home product and it came with a product key*, before installing for the first time (or sharing it if you have Microsoft 365 Family), you need lớn redeem your product key first.

Go lớn office.com/setup and sign in with an existing or new Microsoft trương mục and then enter your product key lớn redeem it*. Redeeming your key is what adds your Microsoft trương mục lớn Microsoft 365 and you only have lớn tự this once. If you're renewing a Microsoft 365 subscription with a new product key, use the same Microsoft trương mục you previously associated with your expired version subscription.

Tip: Once this is done, anytime you need lớn install or reinstall Microsoft 365 or Office you can go straight lớn the next section, Sign in lớn tải về Microsoft 365 or Office and select the tab for help lớn install on a PC or Mac. Be sure lớn sign in with the same Microsoft trương mục you used lớn redeem your product key at office.com/setup.

Microsoft 365​​​​ for business

If your business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option lớn install it unless someone in your organization assigned a license lớn you.

Learn how lớn kiểm tra this in What Microsoft 365 business product or license tự I have? or if you're a Microsoft 365 admin responsible for assigning licenses lớn people in your organization, see Assign licenses lớn users.

Once you verify you have a license, anytime you need lớn install or reinstall Microsoft 365 you can go straight lớn the section below, Sign in lớn tải về Office and select the tab for steps lớn install on a PC or Mac. You'll sign in with your work or school trương mục for these versions of Microsoft 365.

*If you don't have a product key or an account

Some versions of Microsoft 365 such as Office Professional Plus 2021, Office Standard 2021, or a stand-alone ứng dụng such as Word 2021 or Project 2021 don't have an associated Microsoft trương mục, or work or school trương mục.

The steps lớn install these versions can be different depending if you got Microsoft 365 through one of the following ways:

Volume license versions:
IT departments might use a different method when installing Microsoft 365 for people in their organization. Talk lớn your IT department for install help.

Sign in lớn tải về and install Microsoft 365 or Office

Tip: Get tech expertise with Business Assist. Connect with our small business advisors for help making Microsoft 365 products work for you and everyone in your business. Learn more.

Sign in lớn tải về Microsoft 365 or Office

  1. Go lớn www.office.com and if you're not already signed in, select Sign in.

  2. Sign in with the trương mục you associated with this version of Microsoft 365. This trương mục can be a Microsoft trương mục, or work or school trương mục. I forgot the trương mục I use with Office

  3. After signing in, follow the steps that match the type of trương mục you signed in with.

    You signed in with a Microsoft account
    Line

    1. From the Microsoft 365 trang chính page select Install apps.

      Screenshot of Office.com trang chính page after signing in
    2. Select Install (or depending on your version, Install apps>).

    You signed in with a work or school account
    Line

    1. From the trang chính page select Install apps (If you phối a different start page, go lớn aka.ms/office-install.)

      Screenshot of Office.com if signing in with a work or school account
    2. Select Microsoft 365 apps lớn begin the installation.

    The 64-bit version is installed by mặc định unless Microsoft 365 or Office detects you already have a 32-bit version of Microsoft 365 or Office (or a stand-alone ứng dụng such as Project or Visio) installed. In this case, the 32-bit version of Microsoft 365 or Office will be installed instead.

    To change from a 32-bit version lớn a 64-bit version or vice versa, you need lớn uninstall Microsoft 365 first (including any stand-alone Microsoft 365 apps you have such as Project of Visio). Once the uninstall is complete, sign in again lớn www.office.com and select Other install options, choose the language and version you want (64 or 32-bit), and then select Install. (See Install Visio or Install Project if you need lớn reinstall those stand-alone apps.)

  4. This completes the tải về of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.

    Tip:  Don't see an install option after signing in? There could be an issue with your trương mục. Select Need help? from above and review the solutions under Account questions.

Install Office

  1. Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

    If you see the User Account Control prompt that says, Do you want lớn allow this ứng dụng lớn make changes lớn your device? select Yes.

    The install begins.

    Shows the progress dialog box that appears when Office is installing

  2. Your install is finished when you see the phrase, "You're all set! Office is installed now" and an animation plays lớn show you where lớn find Microsoft 365  applications on your computer. Select Close.

    Office is installed now. Select Close

Installation or sign in issues?

If you're having an installation issue such as Microsoft 365 taking long lớn install, try Need help? for a list of common issues.

Activate Microsoft 365 or Office

  1. To open an ứng dụng, select the Start button (lower-left corner of your screen) and type the name of an ứng dụng, lượt thích Word.

    If you have Windows 8.1 or 8.0, type the name of an Microsoft 365 app on the Start screen. Can't find your Office apps?

  2. To open the ứng dụng, select its icon in the tìm kiếm results.

  3. When the ứng dụng opens, accept the license agreement. Microsoft 365 or Office is activated and ready lớn use.

    Note: The Activation Wizard appears if Microsoft 365 or Office has trouble activating. Complete the steps in the wizard lớn finish activation.

Sign in and install Microsoft 365 or Office

  1. Go lớn www.office.com and if you're not already signed in, select Sign in.

  2. Sign in with the trương mục you associated with this version of Microsoft 365 or Office. This trương mục can be a Microsoft trương mục, or work or school trương mục. I forgot the trương mục I use with Office

  3. After signing in, follow the steps that match the type of trương mục you signed in with.

    You signed in with a Microsoft account
    Line

    • From the Microsoft 365 trang chính page select Install Office lớn start the tải về.

      Screenshot of Office.com trang chính page after signing in

    You signed in with a work or school account
    Line

    1. From the Microsoft 365 trang chính page select Install Office (if you phối a different start page, go lớn aka.ms/office-install).

      Screenshot of Office.com if signing in with a work or school account
    2. Select Office 365 apps lớn begin the tải về.

    Note:  Don't see an install option after signing in? There could be an issue with your trương mục. Select Need help? from above and review the issues listed in the section Account questions.

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  4. Follow the instructions below lớn complete installing your Microsoft 365 apps.

Install Microsoft 365 or Office

  1. Once the tải về has completed, open Finder, go lớn Downloads, and double-click Microsoft Office installer.pkg tệp tin (the name might vary slightly).

    Tip: If you see an error that says the Microsoft Office installer.pkg can't be opened because it is from an unidentified developer, wait 10 seconds and move the downloaded tệp tin lớn your desktop. Hold Control + click the tệp tin lớn launch the installer.

  2. On the first installation screen, select Continue lớn begin the installation process.

    First Mac năm 2016 installation screen with "Continue" highlighted
  3. Review the software license agreement, and then click Continue.

  4. Select Agree lớn agree lớn the terms of the software license agreement.

  5. Choose how you want lớn install Microsoft 365 and click Continue.

  6. Review the disk space requirements or change your install location, and then click Install.

    Note: If you want lớn only install specific Microsoft 365 apps and not the entire suite, click the Customize button and uncheck the programs you don't want.

  7. Enter your Mac login password, if prompted, and then click Install Software. (This is the password that you use lớn log in lớn your Mac.)

    Enter your admin password lớn begin installing
  8. The software begins lớn install. Click Close when the installation is finished. If Microsoft 365 installation fails, see What lớn try if you can't install or activate Office for Mac.

    Shows the final page of the installation process, indicating that the installation was successful.

Launch an ứng dụng and start the activation process

  1. Click the Launchpad icon in the Dock lớn display all of your apps.

    Shows the Launchpad button in the Dock
  2. Click the Microsoft Word icon (or another Microsoft 365 or Office icon) in the Launchpad.

    Shows the Microsoft Word icon in a partial view of the Launchpad
  3. The What's New window opens automatically when you launch Word. Click Get Started lớn start activating. If you need help activating Microsoft 365 or Office, see Activate Microsoft 365 or Office for Mac. If activation fails, see What lớn try if you can't install or activate Microsoft 365 or Office for Mac.

    Start activating Word năm 2016 for Mac

Installation notes

Installation notes

How tự I pin the app icons lớn the dock?

  1. Go lớn Finder > Applications and open the Office ứng dụng you want.

  2. In the Dock, Control+click or right-click the ứng dụng icon and choose Options > Keep in Dock.

Can I install Microsoft 365 on my iPhone or iPad?

Yes, see Install and phối up Microsoft 365 apps on an iPhone or iPad and phối up gmail on an iOS device (iPhone or iPad).

Sign in or installation FAQ

The following are a few of the more common questions or issues when trying lớn install Microsoft 365 or Office.

Account questions:

Before you can install Microsoft 365 or Office 2021 you need lớn associate it with a Microsoft trương mục, or work or school trương mục.

If you have an trang chính product and bought Microsoft 365 or Office at a retail store or online store, but don't have a Microsoft trương mục, it's possible you haven't redeemed your product key yet (if you got one), or you missed the step for linking your recent purchase with an trương mục. Do the following lớn liên kết an trương mục with Microsoft 365 or Office.

For an Office for trang chính product, go lớn office.com/setup and create a new Microsoft trương mục or sign in with an existing one, then follow the remaining steps on that page such as entering your product key (if you have one). Your trương mục is successfully associated with Microsoft 365 or Office when you see the page, My Office Account followed by your Microsoft trương mục gmail address, and a button lớn install the apps. Select the PC or Mac tabs above lớn help you with the rest of the install process.

If the Microsoft trương mục or work or school trương mục isn't working, see I forgot the username or password for the trương mục I use with Office.

After signing in with your work or school trương mục you don't see an option lớn install the desktop applications on the Microsoft 365 home page, go directly lớn the Microsoft 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Step 2 and 3 on the PC or Mac tabs above lớn help you with the rest of the install process.

If you still don't see an option lớn install Microsoft 365 on the Microsoft 365 Software page, it's possible your admin hasn't assigned a license lớn you. Find out if you have a license lớn install Microsoft 365.

If you're a student or teacher and your institution didn't give you a license, find out if you're eligible lớn Get Microsoft 365 for không lấy phí.

If you're trying lớn sign in with your work or school trương mục lớn www.office.com and your sign in is blocked, it likely means your Microsoft 365 administrator phối up a security policy that's preventing you from signing in lớn that location.

To install Microsoft 365, try signing in directly lớn the Microsoft 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Steps 2 and 3 on the PC or Mac tabs above lớn help you with the rest of the install process.

If you're still not able lớn sign in, tương tác your administrator.

Product key, purchase, and installing older versions of Microsoft 365:

Not all versions of Microsoft 365 include a key, but if yours did, you need lớn redeem it before you can install Microsoft 365. Go lớn office.com/setup and sign in with an existing Microsoft trương mục or create a new one, then enter your product key. Follow the remaining prompts lớn finish linking your Microsoft trương mục with this version of Microsoft 365.

No product key or not sure if you need one? See Using product keys with Office.

Install questions or errors during install

For Microsoft 365 subscriptions only: You can install Microsoft 365 on all your devices and be signed in lớn five at the same time. To learn more, see How sign in works in Microsoft 365.

If you have Microsoft 365 Family, you can also share your Microsoft 365 Family subscription with up lớn five family members or other people. Each person can install Microsoft 365 on all their devices and be signed in lớn five at the same time.

For a one-time purchase of Office such as Office trang chủ & Student, Office trang chủ & Business, or Office Professional:  You can install these non-subscription versions of Office on only one computer. However, you may transfer Office to another computer that belongs lớn you if you experience a hardware failure, or you buy a new computer. For more information, see the Microsoft License Terms.

If you bought a stand-alone version of an Office ứng dụng, for example Visio or Word, in most cases you install this ứng dụng in the same way you install the Microsoft 365 or Office suite, by signing in lớn www.office.com with your Microsoft trương mục, or work or school trương mục and selecting Install for your stand-alone product.

If you have a subscription lớn Project Online Professional, Project Online Premium, or Visio Pro, see Install Project, or Install Visio for the steps lớn install the apps that are part of those subscriptions.

If Microsoft 365 or Office seems lớn be taking a very long time lớn install, this may be caused by problems with your mạng internet connection, firewall, or anti-virus software. For possible solutions, see Microsoft 365 or Office is taking long lớn install.

Microsoft 365 can also take long lớn install because of a slow mạng internet connection (such as a dial-up connection). If you don't have a good connection, install Microsoft 365 using the Use the offline installer.

Microsoft 365  or Office won't install: Your computer must be running a supported operating system lớn install Microsoft 365 or Office. You can find a list of which systems are supported on the system requirements page. For example, your install won't be successful if you're trying lớn install Microsoft 365 or Office on a computer running Windows Vista or Windows XP operating system. If your computer can't install the full desktop version of Microsoft 365 or Office, try the không lấy phí Microsoft 365 apps from your browser.

I received an error message: If you got an error message while trying lớn install Microsoft 365 or Office and it has a Learn More liên kết, select it lớn get information for how lớn troubleshoot that particular error. If there wasn't a liên kết, see Troubleshoot installing Microsoft 365 or Office.

I received an unsupported operating system message: If you got an unsupported operating system error message you may be trying lớn install Microsoft 365 or Office on an unsupported device such as installing the Mac version of Microsoft 365 Office on a PC or vice versa, or trying lớn install Microsoft 365 or Office on a Chromebook or other mobile device. See Unsupported operating system error when installing Office or Set up Office apps and gmail on a mobile device.

Help with specific applications, and help for Microsoft 365 admins:

If Microsoft 365 or Office is installed, but you need help with basics, or want lớn learn how lớn tự a specific task such as print a document, phối up an trương mục in Outlook, or use VLOOKUP in Excel, go lớn the top of this page (if viewing in a trang web browser) and select Products.

You can also tìm kiếm for what you're looking for using the search bar in the upper-right corner.

Contact Microsoft

If you weren't able lớn resolve your problem, try contacting Microsoft tư vấn.

Tip: If you're a small business owner looking for more information on how lớn get Microsoft 365 phối up, visit Small business help & learning.

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