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Repair apps and programs in Windows - Microsoft Support
Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.
安装 Windows 11 的方法 - Microsoft 支持
重要: 在选择从媒体启动之前,应验证设备是否满足最低系统要求,因为满足后才允许安装 Windows 11,如果你至少具有 TPM 1.2(而不是最低系统要求的 TPM 2.0),它将不会根据处理器的系列和模型验证处理器是否在批准的 CPU 列表上。
Mouse and keyboard problems in Windows - Microsoft Support
Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.
Fix Wi-Fi connection issues in Windows - Microsoft Support
Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Can't sign in to OneDrive - Microsoft Support
OneDrive not connected. If you cannot sign in to your OneDrive sync app, or you see a message saying OneDrive is not connected, let our troubleshooter guide you through the steps to get syncing again, or follow the steps below.
Applies To: OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Basic tasks in Excel - Microsoft Support
Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Options for using Windows 11 with Mac® computers with Apple® M1®, M2 ...
32-bit Arm apps available from the Store in Windows are not supported by Mac computers with M1, M2, and M3 chips. 32-bit Arm apps are in the process of being deprecated for all Arm versions of Windows.
Join a meeting without an account in Microsoft Teams
Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.
Applies To: Microsoft Teams
Windows Startup Settings (including safe mode) - Microsoft Support
Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.