In some cases, the Technical Support staff will request for your XSplit installation log. This file contains detailed information on how XSplit's installation went which the staff can use to diagnose and troubleshoot the issue you are currently having.
Finding XSplit Installation Logs
Open File Explorer.
Type %AppData%\SplitmediaLabs\XSplit Broadcaster for XSplit Broadcaster
or %AppData%\SplitmediaLabs\XSplit Gamecaster for XSplit Gamecaster on the File Explorer Address Bar
The installation log file will be named xsplit_installer.txt