• Windows 7,
     or Windows Vista,
     or Windows XP (SP2 or later),
     or Windows Server 2003 (SP1 or later),
     or Windows Server 2008
• .NET Framework 3.5 SP1
• 500 MHz processor (Recommended: 800 MHz or faster)
• 256 MB of RAM (Recommended: 512 MB or more)
• 1024 x 768 screen resolution
• 200+ MB hard drive space

Please note that Galaincha uses your hard drive to store temporary files related to undo/redo. Because of this, actual disk space requirements will depend on the type of actions you perform on an image, and on the size of the design.