If you have ever dealt with Photoshop, you know how much RAM power this software needs. PhotoWorks is refreshingly a lot less demanding hardware-wise. Have a look at its modest system requirements.
About the program
Disclaimer: Photoshop is a trademark of Adobe, Inc. PhotoWorks is a trademark of AMS Software. PhotoWorks was not developed by or is in no way affiliated with Adobe, Inc., nor is it the official stand-in for Photoshop. This site is not affiliated with either of the companies, and only reflects the opinions of its creators.