When you first sign into Microsoft Defender on Android, we'll walk you through a few easy steps that start with setting up web protection.During this process, we'll ask you to give Defender permission to do two things: run in the background and use the Accessibility Service.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。 如果某个严重问题导致 Windows 意外关闭或重启，则会出现蓝屏错误（有时也称为黑屏错误或终止代码错误）。

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

本文详细介绍了将设备从 Windows 11 家庭版升级到 Windows 11 专业版时要采取的步骤。 使用 Microsoft Store 升级到 Windows 11 专业版 从 Windows 11 家庭版 升级到Windows 11 专业版的最佳方式是通过 Microsoft Store。

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

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。

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.