• Pentium or equivalent or greater CPU
• Windows 11, 10, 8, 7, Vista
  Windows Server 2022, 2019, 2016, 2012, 2008, 2003
    (64 bit and 32 bit versions)
• 30 MB free hard disk space

• To solve puzzles on your computer requires the Java Runtime Environment (JRE). If not already installed, this requires 40 megabytes of hard disk space.
• Note: Java is not required to create and print puzzles.

Older versions of Crossword Construction Kit may not be compatible with all versions of Windows.
See the list of Previous Versions for details.