Mac:

• Mac® OS X 10.6.8 through 10.9
• Adobe Photoshop CS4 (CS5 for HDR Efex Pro 2) through CC
• Adobe Photoshop Elements 9 through 12 (apart from HDR Efex Pro 2,
  which is not compatible with Photoshop Elements)
• Adobe Photoshop Lightroom 3 through 5
• Apple® Aperture® 3.1 or later

Windows:

• Windows Vista®, Windows 7, Windows 8
• Adobe Photoshop CS4 through CC
• Adobe Photoshop Elements 9 through 12 (apart from HDR Efex Pro 2,
  which is not compatible with Photoshop Elements)
• Adobe Photoshop Lightroom 3 through 5

GPU Compatibility:

NVIDIA GeForce 8 Series, GeForce 9 Series, GeForce 100 Series, GeForce 200 Series,
GeForce 300 Series, GeForce 400 Series, GeForce 500 Series, ATI Radeon HD2000
Series, Radeon HD3000 Series, Radeon HD4000 Series, Radeon HD5000 Series,
Radeon HD6000 Series.

If no compatible card is available, GPU acceleration will be disabled and the CPU will be used.

*For EU customers, VAT is included in the price. For US customers, applicable sales tax will be added to the total price. All applicable taxes will be displayed during checkout and will appear on the order receipt. All prices are in US Dollars. You may be charged a foreign transaction fee if your card is issued outside of the United States. Please contact your issuing bank to find out what that fee may be.