- Microsoft Windows Server 2003, Enterprise x64 Edition
- Microsoft Windows Server 2003, Standard x64 Edition
- Microsoft Windows Server 2003, Datacenter x64 Edition
- Microsoft Windows XP Professional x64 Edition
- If the string value contains "AMD64" (without the quotation marks), the computer has an Advanced Micro Devices (AMD) AMD64 processor.
- If the string value contains "EM64T" (without the quotation marks), the computer has an Intel Extended Memory 64 Technology (EM64T) processor.
Method 1: Use the set commandTo use the set command to determine the processor type, follow these steps:
- Click Start, click Run, type cmd in the Open box, and then press ENTER.
- At the command prompt, type set, and then press ENTER.
- Note the string that is displayed next to PROCESSOR_IDENTIFIER.
Method 2: Use Registry EditorTo use Registry Editor to determine the processor type, follow these steps:
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment
- In the right pane, note the string that is displayed in the Data column for the PROCESSOR_IDENTIFIER registry entry.
- Quit Registry Editor.
Technical support for x64-based versions of Microsoft WindowsYour hardware manufacturer provides technical support and assistance for x64-based versions of Windows. Your hardware manufacturer provides support because an x64-based version of Windows was included with your hardware. Your hardware manufacturer might have customized the installation of Windows with unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with your x64-based version of Windows. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware.
For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:
Article ID: 888731 - Last Review: Mar 29, 2017 - Revision: 4