
Scroll through the System variables in the bottom panel, and select Path, click Edit. In Windows 8.1/10, right-click on This PC, choose Properties > Advanced system settings > Advanced tab > Environment Variables. To navigate there on Win XP, Vista, 7: Start button > Control Panel > System > Advanced > Environment Variables.

Then you need to add this to the system Path in Environment Variables. If it is not installed you may find a current release of Ghostscript for Windows on their download page here. It's in the Ghostscript lib directory, which is probably something like C:\Program Files\gs\gs9.09\lib. Initially you need to find out where ps2pdf is on your machine or install it.

Had to manually add the import eps and found some usefull information:
