Intel® Pentium® 4 or AMD Athlon® 64 processor
Microsoft® Windows® XP with Service Pack 3; Windows Vista® Home Premium, Business, Ultimate, or Enterprise with Service Pack 1; or Windows 7
512MB of RAM
1GB of available hard-disk space for installation; additional free space required during installation (cannot install on removable flash storage devices)
1024x768 display (1280x800 recommended) with 16-bit video card
DVD-ROM drive
Internet Explorer 7 or 8 or Firefox 3 or 3.5 required for the Adobe® Contribute® web browser plug-in
Microsoft Office 2003 or 2007 required for the Microsoft Office plug-in
Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*

Mac OS

Multicore Intel processor
Mac OS X v10.5.8 or v10.6
512MB of RAM
1.4GB of available hard-disk space for installation; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
1024x768 display (1280x800 recommended) with 16-bit video card
DVD-ROM drive
Firefox 3, 3.5, or 3.6 required for the Contribute web browser plug-in
Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*

*Adobe online services, including Adobe CS Live Services, are available only to users 13 and older and require agreement to additional terms and Adobe’s online privacy policy. Online services are not available in all countries or languages, may require user registration and may be subject to change or discontinuation without notice. Additional fees or subscription charges may apply.