Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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 ...
Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Which version of Windows operating system am I running?
Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.
Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To:
Microsoft account dashboard
更新和分享你的 Xbox 愿望清单 | Xbox Support
Xbox 应用电脑版. 打开 Windows 版 Xbox 应用，然后登录 Microsoft 帐户。. 选择“Microsoft Store”>“我的愿望清单”>“设置”。. 选择“保密”或“公开”，然后选择“保存并关闭”。. 通过在公开清单上选择“共享”，可以复制链接并与他人共享你的愿望清单。.
Share SharePoint files or folders - Microsoft Support
When you share files and folders, you can decide whether to let people edit or just view them. You can see who a SharePoint file is shared with, and stop sharing SharePoint files or folders, or change permissions, at any time. Notes: To share OneDrive files and folders, check out Share OneDrive files and folders.
Applies To:
SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, 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, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Find and replace text - Microsoft Support
Go to Home > Replace. Enter the word or phrase you want to replace in Find what. Enter your new text in Replace with. Choose Replace All to change all occurrences of the word or phrase. Or, select Find Next until you find the one you want to update, and then choose Replace.
Applies To:
Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
Uninstall or remove apps and programs in Windows
Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall.
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To:
Outlook.com
Contact Us - Microsoft Support
Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.