Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support. Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 More... If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.

PC Health Check includes diagnostics to monitor device health and troubleshooting to improve performance, all from the convenience of a single dashboard. Key features include: Windows 11 eligibility: Provides a comprehensive eligibility check based on the minimum system requirements for Windows 11.

Windows 11 Windows 10. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it. Select OK.

Troubleshoot Disk Management. To open Disk Management, right-click (or long-press) the Start button and select Disk Management. If you need help freeing up space on your PC, see Disk cleanup in Windows or Free up drive space in Windows.

Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button. Defragment your Windows 10 PC.

Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Troubleshooter for repairing Windows Update system files and settings - Microsoft Support. This article describes the problem addressed by the troubleshooter, what it does to mitigate them, and the conditions that can cause it to run. For more information about troubleshooting, see Keep your device running smoothly with recommended troubleshooting.

Press Windows logo key + S or select Search, type pc health check, and select PC Health Check from the list of results. Select Check now. It can take up to 24 hours for Windows Update to refresh your eligibility info.

In the search box on the taskbar, type Windows Security, and then select it from the results. Select Device performance & health to view the Health report. Note: If your device is managed by your organization, your administrator may not have granted you permission to view Device performance & health.