For pre-sales support, or issues with purchasing, contact Sales support. Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

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.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

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.

如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员，则需要关联你的 Xbox 和 EA 帐户，并确保已安装了 EA 应用（Beta 版本），才能在电脑上享受 EA Play 游戏。. 如果还没有执行以上两步操作，则 Windows 版 Xbox 应用将会指导你完成设置过程。. 如果你已在 Xbox 主机上玩过 ...

Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.