If you want to retouch your photos for free, you will need to find the appropriate photo editing software for exactly what you want to achieve. There are many such software programs out there for both the Mac and Windows platforms. But many of them are not really that great in the free category.
To save you time and frustration, I will share the best free photo editing software programs that you can use to post-process your pictures. There are some real gems if you know where to look.