You do not need administrator privileges on a computer to run it
Tested to work on 1.1 and 2.0 USB drives
Tested to work on 1.1 and 2.0 USB Ports
Tested to work to analyze drives advertised as 4GB, 8GB, 16GB, 32GB and yes 64 GB capacity.
Reports seen capacity what the operating system sees size to be.
Will write 1 GB files up to the reported size requiring no work on your part except patience if it is a large drive and a slow computer
Will read all the files it wrote and verify them
Will produce a report. a) short if all is well b) detailed if there issues found.
The program is offered free
See here