So i will show you exactly how to solve this problem to open PSD extensions files without having photoshop , and i will show you how to do that without any softwares using go2convert.com .
so first go to go2convert.com and choose between uploading the PSD files from your computer or from URL then click on Upload Now .
wait to uploading finish . go2convert allow you to upload PSD files and convert them to any extension which windows can read it (like gif,png...) so you can see psd files without using photoshop .
after uploading finish you can download the JPG photo after converting from PSD .