To compile CHM you need Microsoft HTML Help Workshop installed on your computer. You can find it in the same zip archive with Helpinator. If this compiler is not installed or installed improperly Helpinator shows warning message on compile time.

Click CHM button on the toolbar or select Tools->Compile CHM.

Helpinator creates CHM file with the same file name as your project and in the same directory.

Related Topics:
Web Help
Conditional Compilation