Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Hotmail 现在是 Outlook.com。. 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Xbox 订阅取消和退款. 你可以随时取消 Xbox 订阅。. 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。. 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。. 了解如何在下面的“取消订阅”部分中取消 Xbox 订阅并检查退款 ...

Manage email accounts in Outlook.com. Unblock my Outlook.com account. Supported browsers for Outlook on the web and Outlook.com. If you sign in with a work or school account, read How to sign in to Outlook on the web. Still need help? Get help with Outlook.com.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Surface Go 功能. 以下是使用 Surface Go 的一些亮点。 出色的便携性. Surface Go 纤薄轻盈，方便用户随时随地携带 - 可在办公室、学校、家中及往返途中使用。 PixelSense™ 显示器（不带专业键盘盖）大小为 10 英寸且重量仅为 0.52 千克（1.15 镑），你可以在外出时轻松携带。 Surface Go 可轻松装入包中，不会增加你的负重。 支持手写. 使用个人笔迹做笔记并进行整理。 通过在 Surface Go 上使用 Surface 触控笔和 OneNote，你可以记录并整理生活各个方面（无论是工作、学校还是个人生活）的笔记。 （Surface 触控笔另售。 使用 Windows、Microsoft Office 和 OneDrive 完成工作.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.

However, you can change the default search engine to any site that uses OpenSearch technology. To change your default search engine in Microsoft Edge: Perform a search in the address bar using the search engine you want to set as your default. Select Settings and more > Settings . Select Privacy, search, and services.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac. Go to microsoft365.com and sign in with your Microsoft 365 account. Select Install apps.