Microsoft provides Windows Performance Toolkit (WPT) consisting of Windows Performance Recorder (WPR) and Windows Performance Analyzer (WPA). All that again is part of the WADK and that's where you download it. Wow, what a journey!
WPT is free (gratis) for download.
During installation, deselect everything except WPT. It'll take ~620 MB on disk.
There are ...
I first used Proctorio alone (with Blackboard). But since I allow students to use their notebook during exams, looking away from the monitor had to be allowed and this disabled a main restriction of Proctorio.
My classes are asynchronous math classes at various levels (calculus to graduate level).
Then I experimented with requiring an external webcam in ...