使用 Windows 设置应用更改桌面背景和颜色。 在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

Press this key. To do this. Command + Shift + B. Show or hide the favorites bar. Command + Shift + C . Open Developer tools. Command + D. Save your current tab as a favorite. Command + Shift + D. Save all open tabs as favorites in a new folder

Learn how to access the Control Panel in Windows for managing your system settings and programs.

When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.