Bing found the following results
UserBenchmark: PC Speed Test Tool - Compare Your PC
Check your device performance and health in Windows Security
PerformanceTest - Official app in the Microsoft Store
How to Check Your Computer Performance on Windows 10: 8 Steps - wikiHow
How to Check the Performance of Your PC and Speed It Up - Help Desk Geek
How to use the PC Health Check app - Microsoft Support
Test, fix and upgrade your PC's performance - UserBenchmark
4 Ways to Check CPU Speed: Guide to Computer Performance - wikiHow
How to run Cinebench to test your PC - The Verge
PassMark PerformanceTest - PC benchmark software