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
Change the power mode for your Windows PC - Microsoft Support
Choose the power mode that works for you and what you want to do on your Windows 11 PC. This lets you determine what’s important to you—getting the best battery life, best performance, or a balance between the two. To change the power mode, select Start > Settings > System > Power & battery.
Product activation for Windows – online & support telephone numbers
There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation, Windows will try to use your internet connection to activate online.
Microsoft .NET Framework 4.8 offline installer for Windows
The Microsoft .NET Framework 4.8 is a highly compatible, in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 and 4.7.2. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.
Cancel a Microsoft 365 subscription - Microsoft Support
Cancel Microsoft 365 with the help of a support advocate. If you're thinking of cancelling a Microsoft 365 subscription or need help switching to another plan that better meets your needs, support agents are available to help. Request a call back.
PC Game Pass FAQ | Xbox Support
The PC Game Pass plan gives you access to a set of high-quality PC games on Windows 10/11 devices. The best way to experience PC Game Pass is in the Xbox app for Windows, available for download from the Microsoft Store or at: Xbox app for Windows.
Microsoft Teams (free) - Microsoft Support
For more help, contact support or ask a question in the Microsoft Teams Community. Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
寻找好友 | Xbox Support
大家互相支持，并乐于彼此分享道具完成精彩操作和击杀。. 要添加好友时，请按照以下步骤操作：. 如何添加新的 Xbox 好友. 如何使用 Xbox 主机小帮手应用管理好友列表。. 想要查找更多好友？. 查看“查找组”并浏览 Xbox 上的俱乐部。. 如何使用“查找组 ...
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
加入俱乐部 | Xbox Support
加入俱乐部. 按“Xbox”按钮 以打开导航页，然后选择“人员”>“俱乐部”>“发现俱乐部”>“浏览所有俱乐部”，以查看你所属的俱乐部或浏览特别推荐俱乐部。. 也可通过选择“查找俱乐部”来搜索俱乐部。. 或者，从“主页”屏幕中，选择“好友和”“社区 ...