You can open Performance Monitor in four different ways and they are:
Use command perfmon in any of the following programs to launch Performance Monitor:
- Command Prompt
- Windows PowerShell
- Address toolbar
- File Explorer address bar
- Task Manager (Click File > Run new task to use the command)
Open Start menu. Type performance and click on the Performance Monitor app in the search results.
Go to C: > Windows > System32 folder. You can see two perfmon files. Double-click the one you prefer.