Windows 10: How long does it take tech to help windows 10 pro activation?

I've been trying to activate windows 10 pro since 02/27/22 after hardware change. I have five different case numbers and still waiting for call back from tech support since 8am central time.

:)

 

Windows 10 Activation (Insider)

How long did you wait for activation?
When I re-installed with a fresh install... it took a few hours to sync and activate.
However, it did, finally, activate.

 

Windows 10 Activation (Insider)

I did a full clean install of Windows 10 a while back and it will not activate. I didn't do a clean install from Windows 7/8/8.1 it was from Windows 10 (activated) so I expected it to activate just fine since it was fine before hand.

My Windows 10 license wasn't created from a previous Windows 7/8/8.1 key I got it from signing up to be an insider back in Nov of 2014. I installed a preview build on my laptop from the insider program and it worked just fine and it automatically upgraded to newer and newer preview builds and then to the full release automatically, fully activated and working fine. I did a full clean install not long ago (expect it to go through without issue since it was working before) and now it will not activate and I can't find any info on how to get it to activate and I can't seem to find the insider Windows 10 key.

Microsoft online support was useless and the gave me the toll free number to tech support.. I am currently on the phone waiting, they said it could be a 1hr 30min wait.. sigh.. Any help would be appreciated. Thanks.

 

Windows 10 Pro is not getting activated after re-install. I purchased Windows 10 Pro upgrade through Microsoft Store.

• Microsoft Tech Support Team tried the Default Pro key. It upgraded to Windows 10 Pro but didn't get activated and then they tried "Repair" and that also didn't work.
• I performed a clean install with "ei.cfg" like you suggested (mine is OEM). Still not working.