Once downloaded, you would run the ModInstaller.exe file. On Windows, you might receive a security warning; users were often advised to run it anyway, provided they had downloaded it from a trusted source. The installer would then typically ask you to verify the location of your Hollow Knight installation. For a standard Steam installation, this path is: C:\Program Files (x86)\Steam\steamapps\common\Hollow Knight .
Some free hosting platforms bundle installers with optional adware or browser extensions. Always select during setup and uncheck any auxiliary software you do not recognize. Troubleshooting Common Issues