Select a different account. You have multiple accounts. Choose the account you want to sign in with. Manage your subscription. Applies ToOutlook.com. You can view or renew your subscriptions at account.microsoft.com. Learn more.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If you’re unable to read all 25 characters of your digital code, you’ll need to request a replacement code by contacting aka.ms/contactxboxsupport. When you contact support, make sure to provide the proof of purchase, the serial number, and a picture of the damaged code.

The main thing changing is that you’ll no longer earn points on the Microsoft Rewards app on Xbox. Instead, you’ll now earn them on the new Rewards hub, along with Game Pass Quests. In the future, new activities will come to the Rewards hub on Xbox for all members.

为了确保 Xbox Live Gold 订阅服务的定价反映当地市场行情，Xbox Live Gold 订阅卡只能在购买所在的国家或地区兑换，而不能在其他国家或地区兑换。. 如果需要在线购买 Xbox Live Gold 订阅卡，我们强烈建议从所居住的国家或地区购买，以避免出现潜在的问题。.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

如果你购买了与你的 Microsoft 帐户区域不同的 Xbox 礼品卡或代码，请务必联系零售商或 aka.ms/contactxboxsupport。

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.