If Scroll Lock is on, your cursor moves between columns and rows, not cells. Here's how to turn off Scroll Lock.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

See how to find things you've downloaded on your PC.

Learn more about how to print web pages and documents in Microsoft Edge.

Use Settings in Windows 10 to change default apps and programs.

开始之前. 确保要安装 Windows 11 的设备满足最低系统要求。 如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。

Create a group for your project or team. Create a PLC group in Outlook (Office 365 Education) A Professional Learning Community (PLC) group is a type of Microsoft 365 Group that provides a shared space for educators to use for collaboration.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Accessing Credential Manager. Credential Manager lets you view and delete your saved credentials for signing in to websites, connected applications, and networks.