How can I check if my windows is 32 or 64 bit?Windows Vista
Method 1
1. Click Start, type system in the Start Search box, and then click system in the Programs list.
2. The operating system appears as follows:• For a 64-bit version operating system: 64-bit Operating System appears for the System type under System.
• For a 32-bit version operating system: 32-bit Operating System appears for the System type under System.
Method 2
1. Click Start, type system in the Start Search box, and then click System Information in the Programs list.
2. The operating system appears 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.

Microsoft Windows XP Professional
Method 1
1. Click Start, click Run, type sysdm.cpl, and then click OK.
2. Click the General tab. The operating system appears as follows:• For a 64-bit version operating system: Microsoft Windows XP Professional x64 Edition Version < Year> appears under System.
• For a 32-bit version operating system: Microsoft Windows XP Professional Version< Year> appears under System.
Note is a placeholder for a year.
Method 2
1. Click Start, click Run, type winmsd.exe, and then click OK.
2. In the details pane, locate Processor under Item. Note the value. • If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of the Windows operating system.
• If the value that corresponds to Processor starts with ia64 or AMD64, the computer is running a 64-bit version of the Windows operating system.

Microsoft Windows Server 2003
Method 1
1. Click Start, click Run, type sysdm.cpl, and then click OK.
2. Click the General tab. The operating system appears as follows:• For a 64-bit version operating system: Microsoft Windows Server 2003 Enterprise x64 Edition appears under System.
• For a 32-bit version operating system: Microsoft Windows Server 2003 Enterprise Edition appears under System.
Method 2
1. Click Start, click Run, type winmsd.exe, and then click OK.
2. In the details pane, locate Processor under Item. Note the value. • If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of the Windows operating system.
• If the value that corresponds to Processor starts with EM64T or ia64, the computer is running a 64-bit version of the Windows operating system.
I did what you said, and my MACHINE only says Windows XP Media Center Edition. 32

I don't think that they ever put out a 64 bit version.

Vista, XP Pro, Server 2003 have 64 bit versions. Not MCE.
ok thank you all for all your helpYou can TELL it's 64Bit when you can't find drivers for anything.... Quote from: patio on February 25, 2008, 10:51:58 AM

You can tell it's 64Bit when you can't find drivers for anything....