Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Learn how to troubleshoot and fix problems setting up your email in Outlook.