通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。

Open the Start menu, then right-click the app you want to pin. Select Pin to Start or Unpin from Start.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Learn how to add members to your family group including child and adult accounts.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

Look for key features of genuine Windows software, such as the Certificate of Authenticity (COA), a proof of license label, and an edge-to-edge hologram.

Your privacy is important to us. That’s why we give you control over your privacy settings for online speech recognition and inking and typing personalization features in Windows.

Describes how to use the clean boot process to troubleshoot a problem in Windows 8.1, Windows 8, Windows 7, or Windows Vista.

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.

Office Deployment Tool. If you’re an administrator, you can use the Office Deployment Tool to manage your Office 2016 Click-to-Run deployment options, such as installations sources, product and language combinations, or deployment configuration options.