Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.

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):

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Learn how to switch between Office 365 for home subscription plans, which include Office 365 Home, Office 365 Personal, and Office 365 University. You will also learn how to redeem a free Office 365 subscription that came with your computer or tablet if you have an existing Office 365 subscription plan.

Microsoft Edge comes with built-in accessibility options such as making text larger, having the web read aloud to you, keyboard shortcuts, and more.

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

If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.

Learn how to remove passwords from your Microsoft account to increase security.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.