How do I log on as an administrator? - Microsoft Support
Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.
Keyboard shortcuts to add language accent marks in Word and Outlook ...
Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.
Applies To:
Word for Microsoft 365, Outlook for Microsoft 365, Word 2021, Outlook 2021, Word 2019, Outlook 2019, Word 2016, Outlook 2016
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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, Excel Web App, Excel for Windows Phone 10
Getting ready for the Windows 11 upgrade - Microsoft Support
Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Create a recovery drive - Microsoft Support
Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
How to open MSConfig in Windows 10 - Microsoft Support
Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.
Language packs for Windows - Microsoft Support
Learn how to download, install, and configure additional language packs for your version of Windows.
How to use multiple monitors in Windows - Microsoft Support
Learn how to connect your Windows PC to external monitors and adjust the display settings.
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.