DoubleClick on Setup.exe to run the setup program.  If this was decompressed from a web download into a seperate directory, you may then delete this directory and all the files in it.  

Welcome to PowerGear parallel axis gear calculator. We hope you use this software productively. If you have any comments please contact us on the web at; http://www.geardoc.com

Thank you
PowerGear Developement Team.