System Requirements for Version 5:
Required: 486 or faster processor, Windows 95 or Windows NT 4.0, 12 MB RAM, 10 MB available hard disk space, 256-color display adapter.
Recommended: Pentium® processor with MMX™ technology, Windows 95, Windows 98, Windows NT 4.0 or Windows NT 5 or higher, 32 MB RAM or more, 40 MB available hard disk space or more, 24-bit display adapter at 1024x768 resolution, pressure-sensitive tablet.
Some system requirements will vary with the size or type of images used. Available memory should be at least three times the uncompressed image size. Multiple-level undo is limited by available hard disk space. ICM 2.0 support is only available under Windows 98, Windows NT 5.0.