Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

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

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.