Pirated versions often lack the latest stability updates and may crash frequently.
On a 64-bit OS, the 64-bit version is installed by default. The 32-bit version can be installed manually into the Program Files (x86) directory if needed. Super User Activation and Licensing Adobe Photoshop CC 2014 -32 64 Bit- Activation
As of today, Adobe Photoshop CC 2014 is considered a legacy application. Pirated versions often lack the latest stability updates