Normally during software development their will QC department or QC tester, who tests the software and simulates as end user operation and log bugs either MS-excel or word document there will be software for log bugs.
Step-by-step explanation:
Normally end user (QC tester) take the print screen or screen shot and paste in log bugs entry software or word document and MS-excel and explains as small notes how the bug occurred so the software development can under and rectified the bugs.
Without QC tester approval on software as bugs free and installing in the client place it is high risk.