
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.
Use the System File Checker tool to repair missing or corrupted system ...
Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.
Check if a device meets Windows 11 system requirements after …
Oct 14, 2025 · If hardware was changed on a Windows device in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the …
How to set up and test microphones in Windows - Microsoft Support
In Input, select the microphone to test and choose > to the right of the device to open the Properties page. Under Input settings, select Start test and speak normally.
Windows troubleshooters - Microsoft Support
These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Available Windows troubleshooters Get Help has …
Fix sound or audio problems in Windows - Microsoft Support
Step 1. Check your speaker output in Windows settings Step 2. Check your audio hardware and volume controls Step 3. Turn off audio enhancements Step 4. Run the audio troubleshooter
Fix microphone problems - Microsoft Support
Speak into your microphone while checking under Test your microphone to make sure your settings work. If you see the line moving from left to right, your microphone is working.
Windows 11 System Requirements - Microsoft Support
Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.
Using the Surface Diagnostic Toolkit - Microsoft Support
Notes: If you're using the Surface Diagnostic Toolkit on a work device, go to Surface Tools for IT, and then download the Surface Diagnostic Toolkit for Business. Learn more. If your work or school …
How to Test Programs for Compatibility with Windows
Test installing and running your applications using the scenarios you plan to use during deployment. For example, you might plan to deploy by installing on clean computers or by upgrading from Windows …