Controller serial numbers are 14 characters long and don’t include dashes. Your controller serial number may not be recognized if you’ve never connected your controller, or if you connected for the first time within the last 48 hours.; If you have the Xbox Elite Wireless Controller Series 2, the 14-character serial number is in the lower center on the back of the controller.

On your PC, go to Xbox.com and select Sign in.If there are problems with your account, the instructions will help you solve them. If you can’t go beyond the sign-in screen, select Forgot my password and follow the instructions.

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

What's a homegroup? A homegroup is a group of PCs on a home network that can share files and printers. Using a homegroup makes sharing easier. You can share pictures, music, videos, documents, and printers with other people in your homegroup.

选择左上方框以插入 1x1 表格。. 如果要在下划线前添加介绍性文本（如姓名或社会安全号码），请插入 一个 2x1 表。. 若要更改行的长度，请将指针移到表格的末尾，直到它成为 重设大小指针，然后向右或向左移动箭头以延长或缩短线条。

Learn how to get your Xbox device serviced. Important Send in your device as soon as possible. If you don’t ship your device within 30 days of your request, your service order will be canceled, and the shipping label will no longer be valid.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Microsoft Editor is an AI-powered service that helps bring out your best writer in more than 20 languages, whether you are writing a Word doc, composing an email message, or posting on a website like LinkedIn or Facebook.

On your computer, click Start, type cmd, and then press Enter.; At the prompt, type ipconfig/all, and then press Enter.; Find your network connection (for example, look for Ethernet Adapter Local Area Connection or Wireless Adapter Local Area Connection).

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.