Checking Windows Bit Version

This document will help you to find out if your Windows Vista, XP, 7, 2003, 2008 System is 32-bit or 64-bit (x86 or x64). Depending on your Windows version, you need to obtain the 32-bit or 64-bit CDP software installer.

Locate the operating system that is running on your computer, and then follow the steps to determine the bit count of your operating system.


Windows Vista | Microsoft Windows XP Professional | Microsoft Windows Server 2003 | Windows 7 | Windows Server 2008 | Windows Server 2008 R2 | Windows Server 2008 Server Core

Windows Vista

If you have Windows Vista, there are three methods to determine whether you are running a 32-bit or a 64-bit version. Follow the instructions below to check a version of Windows you are installing into.

Method 1 - Using msinfo32

1. Click "Start."
2. Then click on "Run" or "Start Search."
3. Type:

msinfo32.exe

And then click "OK" or press the <ENTER> key.

4. In the displayed "System Information" window, review the value for the System Type item:

Method 2 - Using System Window

1. Click "Start."
2. In the "Start Search" box, type:

system

And then press the <ENTER> key.

3. Then click "System" in the "Programs" list.
4. The operating system appears as follows:

Method 3 - Using System Summary

1. Click "Start."
2. In the "Start Search" box, type:

system

And then press the <ENTER> key.

3. Then click "System Information" in the "Programs" list.
4. When "System Summary" is selected in the navigation pane, the operating system is displayed as follows:


Microsoft Windows XP Professional

If you have Windows XP, there are three methods to determine whether you are running a 32-bit or a 64-bit version.

Method 1 - Using msinfo32

Follow the instructions below to use msinfo32.exe.

1. Click "Start."
2. Then click on "Run" or "Start Search."
3. Type:

msinfo32.exe

And then press the <ENTER> key.
4. In the displayed "System Information" window, review the value for the System Type item:

Method 2 - Using sysdm

Some versions of Windows XP do not have msinfo32.exe installed. For such versions, follow the instructions below.
1. Click "Start."
2. Click "Run."
3. Type:

sysdm.cpl

And then click "OK."
4. Click the "General" tab. The operating system appears as follows:

Method 3 - Using winsd

1. Click "Start."
2. Click "Run."
3. Type:

winmsd.exe

And then click "OK."
4. In the details pane, locate Processor under Item. Note the value.


Microsoft Windows Server 2003

If you have Windows Server 2003, there are two methods to determine whether you are running a 32-bit or a 64-bit version.

Method 1 - Using sysdm

1. Click "Start."
2. Click "Run."
3. Type:

sysdm.cpl

And then click "OK."
4. In the "System Properties" window, go to the "General" tab.
5. The operating system appears as follows:

Method 2 - Using winmsd

Using winmsd.exe provides a more detailed output of the operating system.

1. Click "Start."
2. Click "Run."
3. Type:

winmsd.exe

And then click "OK."

4. In the details pane, locate Processor under Item. Note the value.


Windows 7

To find out if your computer is running a 32-bit or 64-bit version of Windows 7, do the following:

Method 1 - Using the Computer Properties
Note
Works for Windows 7 and Windows Vista.

1. Click "Start."
2. Right-click "Computer."
3. Then click "Properties."
4. Under "System," you can view the system type.


Method 2 - Using the System Screen in Control Panel

1. Access the "Control Panel."
2. Select "System & Security."
3. Then select "System."
4. Under "System," you can view the system type. The operating system appears as follows:


Windows Server 2008

To find out if your computer is running a 32-bit or 64-bit version of Windows Server 2008, do the following:

1. Access the Control Panel.
2. Click "System."
3. The operating system appears as follows:


Windows Server 2008 R2

Windows Server 2008 R2 is only available in 64-bit.


Windows Server 2008 Server Core

Server Core is a minimal server installation option for computers running on the Windows Server 2008 operating system or later. Server Core provides a low-maintenance server environment with limited functionality. Server Core requires Windows Server 2008 or later.

1. Click "Start." Then click on "Run" or "Start Search."
2. Type:

systeminfo

And then press the <ENTER> key.
3. In "System Information", review the value for the System Type item: