If you're used to using the "Run" box to open apps, you can use that to launch Command Prompt with admin privileges. Press Windows+R to open the Run box. Type cmd into the box and then press ...
Open the Windows Run by pushing the Windows + R buttons. Now type the following command in: msdt.exe -id DeviceDiagnostic.
If you need to troubleshoot Windows 10, improve system performance, or just want to clear up some disk space, clear your cache.