By associating *.lzh and *.zip with this program, just double-clicking on the object will do that, or you can drag and drop the compressed object onto this program object.
I have also put this program on my LaunchPad, but usually after downloading way too many files, I just select them all, and select "Open"
N.B. I removed FP 17 due to increasing frustration with the frequent desktop hangs. Apparently, the file PMMERGE.ZIP floating around fixes this, however, I will have to regain some patience, and Red Warp will have to screw up a lot more than it has.
Files needed are: