I had previously purchased W10 Pro but didn't want to reinstall everything because Xbox Game Bar won't show my FPS count. I've met this problem over a trivial thing: my new notebook came with W10 Home Edition. If youre running Device Manager as admin in Windows 10, type Device Manager in the search box beside the Start button. I don't have a home edition but try to run PowerShell as an administrator and then run: New-LocalGroup -Name 'MyGroup' and Add-LocalGroupMember -Group MyGroup -Member username, or even you can use the old net localgroup command So, press Win + R, type lusrmgr.msc in the blank field and click on the Ok. Local Users and Groups (otherwise lusrmgr.msc) is a snap-in utility for managing local user groups included within Windows 10 Pro. Hahndorf's comment is straight on the target when he says you could use Powershell to tackle the issue: Windows 10 has a built-in admin account for troubleshooting purposes. 2 Change Administrator Windows 10 By Using Local User & Group Management Tool Press Windows Key + R to open the RUN dialog box again.
