If you are running Microsoft Windows XP with Service Pack 3, Photoshop will run in both 32-bit and 64-bit editions.Can't install on case-sensitive file systems.For more detailed information about troubleshooting your installation, go to.On Mac, you cannot install to the root directory of the boot drive.Leave the 'Adobe Photoshop CS6 (64-bit)' option selected. On the right side of the Options panel under the 64-bit heading, deselect the option for Photoshop CS6.To install only the Photoshop 64-bit version on a 64-bit Windows OS, follow the steps below: Photoshop will install both the 32-bit and 64-bit versions of Photoshop on 64-bit systems. Photoshop will automatically install the 32-bit version of Photoshop CS6 if you are on a 32-bit Windows OS. On Macintosh, only a 64-bit edition is available. On Windows, both Adobe Photoshop CS6 and Adobe Photoshop CS6 Extended have the option to run natively in either 32-bit or 64-bit editions. For detailed instructions on installation, visit the installation page.
