Some software and drivers install only on 32-bit Windows operating system types. Some install only on 64-bit Windows system types. To download software and drivers from HP download sites, you might need to select a 32-bit or 64-bit version of the software.
Figure : Example of operating system selections on an HP Software and Driver Downloads page
note:If an HP software download page does not list 32-bit or 64-bit, the system type is 32-bit.
Click the Plus sign () next to your operating system for steps to find which Windows system type you have.