Minimum system requirements

To make and verify checksums of your files with FastSum, it is necessary that your system includes the following components:


  • Pentium-class processor with MMX technology or equivalent (PI 166 MHz or higher recommended)
  • 32 MB RAM (64 MB recommended)
  • 5 MB free hard disk drive space


  • Windows® 98 (Second Edition for non-English operating systems), NT, ME, 2000, 2003, XP
  • Microsoft® Internet Explorer 4 or later
  • 16-bit High Color or higher display adapter (True Color display recommended)

For improved performance, we recommend a system that exceeds these requirements.

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