解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

选择 “屏幕上方”、“ 屏幕下方”或“ 屏幕上叠加”。. 选择 “屏幕上方”或“ 屏幕下方”时，字幕窗口将显示为停靠在桌面上预留空间中的顶部或底部屏幕边缘，并且字幕窗口不会阻止其他应用。当停靠到顶部时，你可能会发现实时字幕在虚拟会议或对话中共享视频时效果良好，而在其他情况 ...

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Microsoft Rewards has two status tiers: Level 1 and Level 2. Earn and keep Level 2 status by reaching 500 Microsoft Rewards points each month - no matter how you earn points, they all count toward your status.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.

Warning: Turning off Memory Integrity on a Secured-core PC takes the device out of a Secured-core state.If you choose to continue using your device without addressing the driver problem, you might discover that the functionality the driver supports does not work any longer, which could have consequences ranging from negligible to severe.