v6 in Windows Frotz - KVonGit/zil-stuff GitHub Wiki
Be sure to set the interpreter version to Macintosh so the games will definitely enable the extra menu, if available.
Also note that the games sometimes run differently depending on which interpreter is set. Like Zork Zero won't allow you to click the compass rose when set to certain interpreters like Tandy or C64.
Also also, never maximize the window at all, and don't change the window size during play.