Download and install or reinstall Office 2019, Office 2016, or Office ...
Find out how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Follow the steps to sign in, choose your language and bit version, and activate your product.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Use the Office offline installer - Microsoft Support
Learn how to download and use the Office offline installer to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your PC. Follow the steps for your plan and activate Office after installation.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Create installation media for Windows - Microsoft Support
Learn how to create a USB flash drive or DVD to install or reinstall Windows 11, 10, 8.1, or 7. You'll need a reliable internet connection, a blank storage device, and a product key (if applicable).
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to download and install Microsoft 365 or Office 2021 on a PC or Mac with a Microsoft account, work or school account. Find out how to activate, troubleshoot, and change versions of the apps.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Where to enter your Office product key - Microsoft Support
Learn where to enter your Office product key for different versions and scenarios, such as Microsoft 365, Office 2021, or Workplace Discount Program. Find out what to do if you have problems with your product key or need help with installation.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Office 2016, Microsoft 365 for home, Office for business
What's the difference between Microsoft 365 and Office 2021?
Microsoft 365 is a subscription service that offers the latest productivity tools, cloud storage, and support, while Office 2021 is a one-time purchase that does not include upgrades or updates. Compare the features, prices, and benefits of both options and find out which one suits your needs.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Microsoft 365 for home, Office for business, Microsoft 365 admin
Uninstall or remove apps and programs in Windows
Learn different ways to remove apps and programs from your Windows 10 or 11 device. Find tips for troubleshooting, repairing, and removing malware.
Recover your Word files and documents - Microsoft Support
Learn how to use Document Recovery to restore your most recent changes when Office app closes unexpectedly. Find out how to select, delete, or close recovered files and where to store them on OneDrive or SharePoint.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Give your PC a Fresh Start - Microsoft Support
Learn how to perform a clean reinstallation and update of Windows 10 while keeping your personal data and most Windows settings intact. Fresh Start lets you reset your PC, choose cloud or local, and restore preinstalled apps.