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Get the latest Windows update - Microsoft Support
When the latest Windows update is ready for your device, it will be available to download from the Windows Update page in Settings.
Troubleshoot problems signing in to Windows - Microsoft Support
Learn how to troubleshoot Windows sign in issues, including problems signing in to your Windows device after upgrading.
Установка и использование сканера в Windows 10
Установка и использование сканера в Windows 10. Windows 10. Как правило, подключив сканер к устройству или добавив новый сканер в домашнюю сеть, вы можете сразу начать сканирование изображений и ...
Microsoft 365 Customer Service and Support
Microsoft 365 Customer Service and Support The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版
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.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Download and install custom fonts to use with Office
Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office 商业版
Overview of formulas in Excel - Microsoft Support
Overview of formulas in Excel Get started on how to create formulas and use built-in functions to perform calculations and solve problems.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016