Which version of Windows operating system am I running?
Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:
Find your Windows product key - Microsoft Support
Learn how to find your Windows product key for activation or when to use a digital license instead.
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Microsoft 帐户仪表板
改进了 Microsoft Edge 中 URL 的复制和粘贴 - Microsoft 支持
如果要粘贴到 Microsoft Edge 的应用或网站中，也可以右键单击，在上下文菜单中选择"粘贴"，然后从子菜单中选择纯文本。 注意: 某些应用可能会替代增强的复制和粘贴功能，只允许粘贴 Web 地址，或者使用自己的格式进行粘贴。
Troubleshoot problems updating Windows - Microsoft Support
Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.
数字游戏购买退款条款 | Xbox Support
数字游戏产品的所有销售均视为最终销售，但我们知道可能存在情有可原的情况。 如果对这些产品申请退款，并根据购买或内容类型来确定退款资格时，我们会考虑多种因素，例如自购买之日起的时间，自发布之日起的时间以及产品的使用。
使用 Windows 更新 修复电脑问题 - Microsoft 支持
Windows 更新可帮助解决电脑问题。 使用 Windows 更新 修复问题是一种恢复工具，可帮助解决与更新相关的问题。使用此工具将在设备上重新安装当前版本的 Windows。 此工具可保留所有应用、文档和设置。
Microsoft 简体中文 IME - Microsoft 支持
输入法工具栏 IME 支持名为 IME 工具栏 的 UI，它提供了一种快速调用特定 IME 函数的替代方法。 IME 工具栏是从语言栏续订的 UI。 若要打开 IME 工具栏，请长按 (或右键单击) 通知区域中的 IME 模式 图标，然后选择“ 显示/隐藏 IME 工具栏”。 键盘快捷方式 输入 ...
Windows sign-in options and account protection - Microsoft Support
To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.
Desktop Themes - Microsoft Support
A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.