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  1. Tips to improve PC performance in Windows - Microsoft Support

    This article lists several solutions that may help improve your PC’s performance. We recommend trying all the listed solutions as multiple factors can contribute to slow performance.

  2. How to use the PC Health Check app - Microsoft Support

    Oct 14, 2025 · Learn how to use the PC Health Check app to help you improve your device performance.

  3. Windows help and learning - support.microsoft.com

    Achieve more with AI in Windows Windows is the first PC platform to provide centralized AI assistance. Learn More about Copilot on Windows Turn ideas into art with Paint Cocreator …

  4. Defragment / optimize your data drives in Windows

    Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

  5. 改善 Windows 電腦效能的提示 - Microsoft 支援服務

    你的 Windows 裝置可能因多種原因而運行緩慢,例如儲存空間有限、背景啟動應用程式過多、軟體過時,或硬體已無法滿足現代效能需求。 為了協助診斷和解決這些問題,你可以使用 …

  6. Configure Startup Applications in Windows - Microsoft Support

    Oct 14, 2025 · Learn how to optimize system performance by managing startup applications in Windows.

  7. Power settings in Windows 11 - Microsoft Support

    For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help

  8. Microsoft Support

    Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

  9. Device Performance and Health in the Windows Security App

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

  10. How to know it's time for a new PC - Microsoft Support

    If your PC is running slowly, see Tips to improve PC performance in Windows. We recommend backing up your Windows PC to keep your important files, settings, and info secured.