You MUST UNINSTALL THE PLAY VERISON
YOU MUST DELETE your PLAYER PATH HM4 folder
EXAMPLE:
\MyDocuments\HollywoodMogul4 <-- this \HollywoodMogul4 folder MUST BE DELETED.
Then install the playtest version.
Developer announcements, patch notes and gaming coverage from across the GaugeDB catalogue.
Source: Steam Community (opens in a new tab)
You MUST UNINSTALL THE PLAY VERISON
YOU MUST DELETE your PLAYER PATH HM4 folder
EXAMPLE:
\MyDocuments\HollywoodMogul4 <-- this \HollywoodMogul4 folder MUST BE DELETED.
Then install the playtest version.