Select or use a tool like 7-Zip/WinRAR to unpack the folder.
: Run any executable (.exe) through a service like VirusTotal before launching.
Version 3.1 introduces substantial upgrades over previous iterations:
The game is typically compressed in .zip or .rar formats. If a site forces you to download an .exe installer just to extract the game, abort the download immediately.
Always verify age requirements (18+ or 21+ depending on region).