Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

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.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

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.

Check here for the known game issues that we're currently tracking and find out what you can do about them. You see the following error code when you try to install a game or app onto a Solid State Drive (SSD): Error 0x80070057. This may be a transient error, or there may be an issue with installing games to your SSD.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

If you don’t have access to the account that made the purchase, you’ll need to contact your financial institution for a refund. We provide digital game product refunds as part of a consistent and reliable buying experience.

For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.

了解 Windows 上的 Game Bar. 打开 Game Bar，在 Windows 10/11 设备上掌控所有你最喜爱的游戏活动。. 注意 若要在 Game Bar 中使用许多 Xbox 功能，必须安装适用于 Windows 的 Xbox 应用并登录。. 有关适用于 Windows 的 Xbox 应用的全部内容.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.