Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

本文适用于无法升级到Windows 11的用户，因为他们的电脑当前未启用 TPM 2.0，或者他们的电脑能够运行 TPM 2.0，但未设置为这样做。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，了解有关特定于你的设备的更多说明。

Use the People page in Outlook.com to view, create, and edit contacts and contact lists. Create new contacts from scratch, or add someone as a contact from an email message. You can also create a contact list for sending email to a group of people.

Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

Learn how to use Xbox cloud gaming on various devices including Android, iOS, and Windows with this comprehensive guide.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

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

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

If you can't sign in to OneDrive work or school account, try to reset your password or alternatively, please contact your organization's IT Admin. 2. Check for updates. If you can sign in to OneDrive online, but not on your computer, check for updates. If your computer is up to date, reset OneDrive. 3.