Lets get things straight.
USB microphones DO NOT have manufacturer drivers. They use windows usb generic audio drivers.
I've tried my AT2020 and many more usb mics, on different computers and:
Windows 7: No issues, very sensitive on every single PC (also my pc), at 30% of sensitivity its perfect.
Windows 8: Issue with volume level of recorded sound on every single pc (included my pc), even on 100%
Windows 8.1: As above
Windows 10: As above
So please - dear microsoft support team, 1) just fix your built in, god damn windows usb audio driver, 2) Just fix this. 3) Do I said "Fix the driver" already ? 4) STOP with Ctrl+c Ctrl+V answers from "manual". 5 FIX THIS PLEASE - 8.1 cost me REAL MONEY, and I stuck with windows 7 because of this stupid issue!!!!
knock knock...
- who's there?
-FIXXXXX THIIISSS