How do you know what operating system you have?
Follow the illustrations below to determine if you have a 32-bit operating system or 64-bit operating system.
• Vista & Windows 7 users are top of the page.
• Windows XP users are at the bottom of the page.
Vista and Windows 7 Users.
Click start -> right click My Computer -> select Properties

If you see 64-bit Operating System, you have a 64 bit pc.
If not, you have a 32 bit pc.

Windows XP Users.
Click start -> right click My Computer -> select Properties

If you see 64-bit Operating System, you have a 64 bit pc.
If not, you have a 32 bit pc.
