如果我的设备上没有管理员权限，该怎么办？ 若要完全升级到新的 Microsoft Edge，必须使用管理员帐户登录到设备。

Find out how to view your system information on Microsoft Support, including hardware and operating system details.

Find out how to customize Xbox Game Bar and enjoy a PC gaming layout that’s uniquely yours.

Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.

The TEXTJOIN function combines the text from multiple ranges and/or strings, and includes a delimiter you specify between each text value that will be combined. If the delimiter is an empty text string, this function will effectively concatenate the ranges.

Learn how to change the size of the Start menu in Windows to show more of your apps, and even make it full-screen.

Learn how to create a team from scratch in Microsoft Teams with step-by-step instructions and tips for managing teams and groups.

Learn how the service process for Microsoft Surface works and how to request service online if your Surface needs repair.

Первоначальная установка Microsoft 365. Некоторые продукты Office 2019, Office 2016 и Office 2013 поставляются с ключом продукта.