Browser and System Requirements: PrivacyGuard supports the following operating systems: Microsoft Windows® XP with Service Pack 2 or later Home / Pro / Media Center; Microsoft® Windows Vista® (32-bit and 64-bit) Starter / Home Basic / Home Premium / Business / Ultimate; Microsoft® Windows 7 (32-bit and 64-bit) Starter / Home Basic / Home Premium / Professional / Ultimate. End user's computer must meet or exceed the following requirements: 300 MHz or faster processor, 256 MB of RAM minimum, 300 MB of available hard disk space, standard Web browser.
PrivacyGuard is available for all Windows PCs but is not currently available for Macintosh computers.