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 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.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.

Find everything you need to manage your Xbox account, profile, and more.

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

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

How to embed a video in PowerPoint from YouTube or another online site.

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

Find out how to submit a request for a refund for a purchase of digital Xbox content.