Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC.

IMPORTANT This update will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space, see the NOTE in the "Summary" section. The note provides instructions about how to increase the available free space in the WinRE recovery partition.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

登录到 Xbox 应用，然后选择“好友”。 在搜索框中输入玩家代号，然后按 Enter。请务必细心注意玩家代号的拼写和空格。 右键单击要添加的搜索结果中的配置文件，然后选择“打开配置文件”。 选择配置文件屏幕中的“添加好友”按钮以发送好友请求。在好友列表中看到请求之前，他们需要批准 ...

Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.For stand-alone apps search by the app name, such as Project or Visio. In most cases you can't uninstall an individual app if it's included in your Microsoft 365 suite.

Examples. Following are examples of some common nested IF(AND()), IF(OR()) and IF(NOT()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.

Windows 10, version 21H1 update history; End of service statement; December 13, 2022—KB5021233 (OS Builds 19042.2364, 19043.2364, 19044.2364, and 19045.2364)

Scopri come riscattare un buono regalo Microsoft/Xbox o un altro codice sul dispositivo mobile, sul dispositivo Windows o sulla console Xbox.