Learn how to download, install, and configure additional language packs for various versions of Windows.

Learn how to recover files that have been lost, deleted, or accidentally changed.

You can choose your desktop background and change it at any time. Select Start > Settings > Personalization > Background. In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day). Note: If you can't select the Windows Spotlight option, your ...

Calculate the difference between two dates Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following.

Find out how to back up your apps, files, photos, and preferences on your Windows PC with File History and other tools.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

无论是通过 Xbox 主机设备或还是仅通过计算机提供，这些数字游戏购买退款条款涵盖 Microsoft Store 的数字游戏优惠、Xbox 应用（不含电影和电视应用）、数字游戏捆绑优惠以及数字耐用和消费性游戏优惠，例如游戏季票、虚拟货币和微交易等（总称“数字游戏产品”）。 有关数字游戏订阅、数字赠品 ...

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

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. If you prefer, some themes can also be installed from the Microsoft Store. Explore themes in the Microsoft Store. Get free Windows themes from Microsoft to personalize background ...

Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.