May I ask if Bigfix can possibly do an Operating System upgrade from Windows 8.1 to Windows 10 without erasing any data?
Yes, you can upgrade your windows System to Windows 10 without any loss of data if you are using Bigfix OS Deployment.
Please refer the below link for more details
Installing Windows 10 using in-place upgrade
Thank you for this wonderful answer, I will try this to our environment.
LMK if you run into any roadblocks; I just migrated 6000 endpoints to W10 - couldn’t have done it w/out the help of this group. Happy to pay it forward.
When upping your ISO, remember to run the console as admin