When you use Game Mode, Windows prioritises your gaming experience by turning things off in the background. When you’re running a game, Game Mode: Prevents Windows Update from performing driver installations and sending restart notifications. Helps achieve a more stable frame rate depending on the specific game and system.

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。.

选择一个组或网站，浏览到想打开的文件。. 双击“ 计算机 ”访问本地文件（包括可移动 U 盘）。. 还可选择帐户提供的某个位置（必要时请登录），然后打开所需文件。. 若要添加新位置，请单击“ 添加位置 ”。. 提示: 如果要绕过 “文件 ”> “打开 ”并始终 ...

Your host Xbox is not downloading a game or app or applying any game updates at the time of the desired transfer. To manually restart a network transfer while you’re playing a game, on the host Xbox, press the Xbox button to open the guide, highlight the game you were playing and press the Menu button and select Quit.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

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.

启动 Xbox 360 主机时出现错误代码 8007274C. 注意 不再维护 Xbox 360 支持内容。. 如果需要有关 Xbox 360 主机的详细信息，请访问 Xbox 论坛。. 注意 如果在系统更新或主机安装过程中收到此错误，请转到 解决 Xbox 360 主机更新问题 并按照显示的步骤操作。. 重要事项 ...

Get help with a damaged or unreadable code. 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.

Try guided support. If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365. Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365.