If you’re using Windows 7, it can be either a 32 bit or 64 bit system. Here’s how to determine which it is:
- Click Start, type “system” in the Start Search box, and then click System Information in the Programs list.
- When System Summaryis selected in the navigation pane, the operating system is displayed as follows:
- For a 64-bit version operating system: x64-based PC appears for the System type under Item.
- For a 32-bit version operating system: x86-based PC appears for the System type under Item.