How to Check if Your Computer Is 64 Bit

How to Check if Your Computer Is 64 Bit

How to Check if Your Computer Is 64 Bit

This article explains how to determine whether your computer/server is running a 32-bit or 64-bit version of a MS Windows Operating System.

Method 1 : For Windows 7/Vista/Server 2008/R2

1.(1) Click on the Start Button: (2) Type 'System' in the Start Search box, and then (3) click "System" in the Programs list.

2.In the "System" window it will state either "32-bit Operating System" or "64-bit Operating System".

Method 2 : For Windows XP/2000/Server 2003

1.Press the WIN+R keys (Windows key and R). Type the following: sysdm.cpl and click OK.

2.Click on "System Summary": Under "System Type" it will either state "x86" if a 32-bit version of Windows is installed, or "EM64T" if a 64-bit version of Windows is installed.

Method 3 : For Mac OS X

1.Launch Terminal app (see Applications/Utilities)

2.At prompt, type the following: "uname -a" (without the quotes) (note the blank space between "uname" and "-a" strings.

3.The terminal will display two lines of text. At the end of the 2nd line, you'll find something like either

1. RELEASE_I386 i386 ; the latest "i386" means that you're running 32bits kernel
2. RELEASE_X86_64 x86_64 ; the latest "x86_64" means that you're running 64bits kernel