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How to earn Microsoft Rewards points - Microsoft Support
Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).
Applies To: Microsoft account dashboard
Add a printer or scanner in Windows - Microsoft Support
Wait for it to find nearby printers, then locate the one you want to use, and select Add device.If you want to remove the printer later, select it, and then select Remove.
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Xbox Support
Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.
Install mobile apps and the Amazon Appstore on Windows
RAM. 16 GB (recommended) Storage type. Solid State Drive or SSD (recommended) Processor architecture. x64 or ARM64. Virtual Machine Platform. This setting needs to be enabled.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Find your Windows product key - Microsoft Support
Learn how to find your Windows product key for activation or when to use a digital license instead.
Applies To: Microsoft account dashboard
How to close your Microsoft account - Microsoft Support
Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
配置 Windows Hello - Microsoft 支持
Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中,你可以使用面部识别、指纹或 PIN 登录,而不是使用密码。