If it is a patch, you must first have the base game files installed. Move the v111 files into the main game directory and select "Replace All" when prompted. :

Open BodySlide, select the "Lisette Pregnancy" outfits or body morphs, and click Build to ensure the mesh aligns with your character's body type. 3. In-Game Activation

Necessary for the Mod Configuration Menu (MCM) to adjust pregnancy settings.