Windows® XP (Home & Pro) SP3, Windows Vista® SP1, Windows® 7, Windows® 8¹, Windows® 10¹, Pentium®-compatible processor, 512 MB RAM (2 GB RAM for Windows Vista® Windows® 7 & Windows® 8), 20 MB Hard Disk Space, DVD-ROM drive, keyboard & mouse. Macintosh® OS X 10.7-10.10¹, Intel® processor, 1 GB RAM, 30MB free hard drive space, DVD-ROM drive, keyboard, mouse. ¹Administrator privileges are required to properly install the program on Windows® XP, Windows Vista®, Windows® 7, Windows® 8, Windows® 10, and Mac® OS X. Important Installation Note: Please disable any Antivirus and/or Firewall software that you have running before installing this software. After the installation has completed and the product has been updated, you can re-enable your Antivirus and/or Firewall software.