Enable Windows Installer Logging

AppDeploy > FAQs > How Do I Enable Windows Installer Logging?

Open the registry with Regedt32.exe and create the following path and keys:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer
Reg_SZ: Logging
Value: voicewarmup

Once activated, the log files (named MSIxxxx.log) that are generated may be found in your %TEMP% directory.