Videolog of work at a computer on Win7?

Question

Windows

Good afternoon.
Initial situation: an occasional bug in a web application that automates the work of one company. Or user actions.
Task: Determine the source of the problem.
What can probably be done with the help of a video log of all user actions for a shift (12 hours).
What is the best program to use for this?
Mandatory:
- writes video only during changes on the screen
Desirable:
- shows what is pressed on the keyboard
- free, or with a trial period, which is enough to solve the problem
Thank you in advance )

Answer 1

win7 has a built-in problem steps recorder. (psr.exe)
- records keystrokes and mouse clicks, window changes, etc.
- makes a screen for each event
- makes a report at the end
whether it will work for 12 hours - I don’t know

Answer 2

try Refog Keylogger