C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\gpuview
location to download from:
click on 'windows assessment ....' link in first sentence of page:
you only need the windows performance toolkit, a few hundred MB vs. all the 6GB+ of what they try to convince you to download by default.
- must be administrator level shell
- go to directory above.
- type log to start
- type log to end
- view with gpuview