Minimum system requirements for Photo & Graphic Designer MX 2013 / Designer Pro X v8:

Microsoft® Windows® XP | Vista® | 7  | 8
Intel® Celeron® or newer, or AMD® Sempron® or newer 
500 MB RAM, 300 MB hard disk space for program files

System requirements for Photo & Graphic Designer 7 / Designer Pro 7:

Microsoft® Windows® XP|Vista|7
256MB of RAM
400MB available hard disk space

System requirements for Photo & Graphic Designer 6 / Designer Pro 6:

Microsoft® Windows® XP|Vista|7
256MB of RAM
200MB available hard disk space

System requirements for Xtreme 4:System requirements for Xtreme 5:

Microsoft® Windows® XP|Vista|7
256MB of RAM
150MB available hard disk space

Information for Linux and Mac can be viewed at http://www.xaraxtreme.org