If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Booting from a USB device doesn’t refresh or reset your Surface. Instead, it lets you start your Surface using Windows or another operating system that’s on your USB device. For info about how to create a bootable USB drive for your Surface, see Creating and using a USB recovery drive for Surface.

Your Surface comes with Windows recovery info that you can use to refresh your Surface or reset it to its factory condition. Always try to do that first before downloading a recovery image. To learn more, see the links below.

Create a recovery drive with a downloaded factory image. If you're able to use your Surface or you have another Windows PC, visit our Download a recovery image for your Surface page. From there, select your Surface and download a recovery image .zip file for the device you selected.

Each release of the tool helps detect and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

See plans and pricing. Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

加入由 Teams 个人帐户用户组织的会议. 如果要加入由 Teams 个人帐户用户组织的会议，可以使用 Teams (工作或学校) 帐户来参加会议。. 收到会议邀请时，可以从 Teams 日历加入。. 如果有人在 聊天 中向你发送会议邀请，请选择“ 立即加入 ”> 链接。. 在 Teams 中 ...