HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall does not contain the last accessed date and time, but does contain a list of all applications installed.
Get the file path of the installed applications: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths
The properties of the file from the file path should show last accessed date and time.
WARNING: The registry path with the “App Paths” may not contain all software.
TODO: Check if this is True.
Several Registry Keys store information about programs that have been executed previously on the system:
HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\MUICache HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Persisted HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Store
The list of previously executed programs is collected from the following data sources: Registry Key: HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache Registry Key: HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\MUICache Registry Key: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Persisted Registry Key: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Store Windows Prefetch folder (C:\Windows\Prefetch)