Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. For more information on Portal 2 click here.
- OS: • Microsoft® Windows® XP Home, Professional, or Tablet PC Edition with Service Pack 3; Windows Server® 2003 or 2008; Windows Vista® Home Premium, Business, Ultimate, or Enterprise (including 64-bit editions) with Service Pack 2; or Windows 7
- Processor: • 2.33GHz Intel® Pentium® 4, AMD Athlon® 64 2800+, or faster processor
- Memory: • 512MB of RAM (1GB recommended)
- OS: Mac OS X v10.4.9
- Processor: Intel® Core™ Duo or faster processor
- Memory: 512MB of RAM (1GB recommended)
- Other Requirements: Adobe Air needs to be installed