Free software that can be used to open Photoshop PSD files in Windows and also convert to other file extensions like JPEG.

Download the PSD plugin. Extract the ZIP file's contents. Copy the PhotoShop.dll file. Navigate to the Paint.NET installation folder (the default location is C:/Program Files/paint.net).

This article shows you how to save your Photoshop files in a lower version. Informative images are used to make the steps easy to understand.

How to Stop Photoshop Files From Opening in Other Programs. When your operating system forgets to associate the PSD files you build in Adobe Photoshop with the application you use to create them ...

Photopea supports saving any image as a PSD file and preserving the file’s image layers, meaning you could in theory use it to collaborate with someone working in Photoshop.