Place the files in your SolidCAM "Gpptool" folder (usually found in C:\Users\Public\Documents\SolidCAM\SolidCAM20XX\Gpptool ).
: The most reliable source is the official SolidCAM portal. Users with an active subscription can often access a library of standard post processors for common machines like Haas VF series or basic 3-axis Fanuc mills.