The easiest way to install Pro Tools LE for windows is to follow the Quick Start Guide version 5.0.1 for Mac and Windows OS. If you do not have the Quick Start Guide it can be located within the: - www.digidesign.com --> support-->support center-->documents and manuals-->Digi 001 Quick Start Guide. pdf- CD installer scroll down to the Digidesign folder-->Pro Tools folder-->Release Notes & Documentation-->Digi 001 Quick StartGuide.pdf