If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 and Windows 11 that doesn't ...

Use the Performance widget to easily monitor your PC’s performance while you’re gaming. This lets you know in real time whether your system has enough resources for game-intensive moments or if something might be affecting it. Collapse all.

Download drivers and firmware for Surface. Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware.

俱乐部是在线聚会场所，由 Xbox 社区创建，供志同道合的用户玩多人游戏和开展社交活动。了解如何加入俱乐部，以便你可以聊天、玩游戏、共享内容以及加入其他玩家的群。

Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.

在智能电视的 Xbox 应用上，玩云游戏时建群： 玩游戏时，按控制器上的 Xbox 按钮 以打开导航页。 如果你使用的是非 Xbox 控制器，则会有其他按钮打开指南（例如 PS 按钮、Luna 按钮）。 选择 建群，然后选择要邀请的好友。

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.