Adobe After Effects System Requirements

• Intel® Core™2 Duo or AMD Phenom® II processor; 64-bit support required.
• Microsoft® Windows® 7 with Service Pack 1, Windows 8 and Windows 8.1. ...
• 4 GB of RAM (8 GB recommended)
• 3 GB of available hard-disk space; additional free space required during installation (cannot install on removable flash storage devices)