1) Download sw2-1120-fitgirl-patch.zip, 9 MB (SendFile, ZippyShare, MegaDysk)
2) Unzip to game folder
3) Run patch.bat and wait a few minutes
4) Make sure files verification passed OK
Now your original GOG version (v1.1) converted to Steam v1.1.2.0 and not DRM-free, but it comes with 3DM crack.
The reason? Steam pirated updates comes more frequent and much faster.
WARNING! The patch WILL NOT WORK if you installed the game without optional movies. DO NOT INSTALL THE PATCH IN THAT CASE.
Also, patcher doesn’t create backups, so copy your game folder before patching, just in case.
Save transfer (Thanks to Christsnatcher for info)
The save and config files are stored in “%USERPROFILE%Saved Games%Identifier%”, with the following “Identifiers”:
GOG = default
CODEX = steam_76561197960267366
3DM = steam_90071996842377217