If you are having trouble with the current version of Elevate, click here for the Sept 2021 version.
The chrome extension is also available directly within Elevate once installed.
Registry entry: Computer\HKLM\SOFTWARE\Policies\Google\Chrome Entry: ClickToCallEnabled Type: REG_DWORD value: 0
Location of AutoComplete: C:\Users\%username%\AppData\Local\Microsoft\Outlook\RoamCache
AutoDiscover registry fix is here.