Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
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
Download and install or reinstall Office 2019, Office 2016, or Office ...
From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Update your security processor (TPM) firmware - Microsoft Support
Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.
Use the Office offline installer - Microsoft Support
Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.
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
Update Office with Microsoft Update - Microsoft Support
Update Office with Microsoft Update. When you turn on automatic updating for Windows through Microsoft Update, you'll also get Office updates for earlier versions of Office, such as Office volume license installs. Choose your version of Windows below to turn on automatic updates:
Applies To:
Office 2016, Microsoft 365 for home
Windows 11, version 24H2 update history - Microsoft Support
Windows 11, version 24H2 includes all the features and capabilities delivered as part of continuous innovation to Windows 11, now enabled by default. This scoped release also features enhancements designed to improve your overall experience with Windows 11. Highlights include:
Download and install apps - Microsoft Support
As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac. Go to microsoft365.com and sign in with your Microsoft 365 account. Select Install apps.
Determine whether your computer is running a 32-bit version or 64-bit ...
Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2. If one method doesn’t work, try the other. Method 1: View the System window in Control Panel.
Applies To:
Skype for Business Online operated by 21Vianet
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. You might want to use the Inbox Repair tool in the following situations:
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
Windows 10 update history - Microsoft Support
To get the latest major update to Windows 10, see How to get the Windows 10 November 2021 Update. Learn more about updates for Windows 10, version 21H2, including improvement and fixes, any known issues, and how to get the update.