To find out if a Windows computer is 32- or 64-bit, check the Properties menu. A 64-bit computer processor handles large amounts of information more efficiently than one with 32 bits.Continue Reading
Click the Start button in the lower left corner of the screen. Locate the Computer option on the right side of the menu.
Right click the Computer option. Select the Properties option to open a separate window with information on the computer operating system.
Information on the system is located under the System heading. Look at the System Type entry to find whether the computer is 32- or 64-bit.