If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。. 当 Windows ...

處理退款要求. 您可以在下列網頁登入原先進行購買的帳戶，開始任何數位遊戲產品的退款要求程序。. 請告訴我們您要求退款的原因。. 我們會使用這些資訊來改善我們的產品和程序，期盼能盡量減少日後退款要求的需求。. 如果我們核准退款要求，您將會在您 ...

选择右上角的“档案和设置”（如果你已登录，则为玩家图片），然后选择“设置”>“帐户”。. 登录到 Xbox 网络，从列表中选择社交网络，按“链接”，然后按照提示进行操作。. 选中每个帐户的“在我的档案中显示图标”复选框，让游戏玩家知道你所在的 ...

Blue Screen errors (also sometimes called black screen errors or STOP code errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly. You might see a message that says, "Windows has been shut down to prevent damage to your computer" or a similar message.

A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.

下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理. 在外：在任意其他 Xbox 上 ...

本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。.