You can add a location and compare times from around the world. To open the app, select Start and select Clock from the app list, or type its name into the search box.

Note: If you don’t see the Change link, it may be because some information, such as your name, photo, or title, is collected from systems that your IT or human resources department control.If you want to update those details, contact your administrator. If you need help finding your administrator, see How do I find out who my admin is?

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

If you don't already have an Xbox profile, we can help you create one using an existing email address (or if you prefer, you can create a new email address specifically for signing in to Xbox):

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

The Photos app in Windows 10 does the same things as Windows Photo Viewer did, and more.