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Is the Windows Version on My Computer 32-bit or 64-bit?
Some software and drivers install only on 32-bit types of Windows. Some work only in 64-bit Windows. To download software and drivers from HP software download sites, you must select a 32-bit or 64-bit version of Windows.
Figure : Example of operating system selections from the HP downloads page
Image: Operating system selections from an HP Software and Driver site.
NOTE:
If your operating system does not include (64-bit) or (32-bit) in the name, the system type is 32-bit.
Click the plus sign ( ) next to your operating system for more information.
Find 32-bit or 64-bit system type in Windows 8
Follow these steps to determine if your operating system is 32-bit or 64-bit.
NOTE:
If you are not using the latest version of Windows 8, the information in this document might not match. You can get the latest version from the Microsoft Store.
Video on determining if your operating system is 32-bit or 64-bit
The following video demonstrates how to find which Windows 8 system type is installed on your computer.
NOTE:
If you are unable to view the video, it may be due to the type of mobile device you are using. You can still use the written information on the screen or access the video with a PC or laptop.
If you have trouble viewing the video or to view the video in a different size, click or tap here to play the video on YouTube .
  1. Right-click the Start button ( ) in the lower left corner of the screen, and then click System . The System window opens.
  2. Your system type displays under the System heading.
    Figure : System type showing 64-bit
    Image: System type showing 64-bit.
Find 32-bit or 64-bit system type in Windows 7 and Windows Vista
Follow these steps to determine if your operating system is 32-bit or 64-bit.
Video on determining if your operating system is 32-bit or 64-bit
The following video demonstrates how to determine if your operating system is 32-bit or 64-bit.
NOTE:
If you are unable to view the video, it may be due to the type of mobile device you are using. You can still use the written information on the screen or access the video with a PC or laptop.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube.
  1. Click the Windows icon ( ), right-click Computer , and then click Properties .
  2. Your system type displays under the System heading.
Figure : System type showing 64-bit
 Image: View Basic Information window with System Type highlighted.
Find 32-bit or 64-bit system type in Windows XP
Follow these steps to determine if your operating system is 32-bit or 64-bit.
Video on determining if your operating system is 32-bit or 64-bit
The following video demonstrates how to determine if your operating system is 32-bit or 64-bit.
NOTE:
If you are unable to view the video, it may be due to the type of mobile device you are using. You can still use the written information on the screen or access the video with a PC or laptop.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube.
  1. Click Start ( ), right-click My Computer , click Properties , and then click the General tab.
  2. Your system type displays under the System heading.
Figure : System Properties window
Image: System Properties window with General tab selected and Windows Edition highlighted.
Find 32-bit or 64-bit system type if your computer does not start
If your computer does not start, you can find the 32-bit or 64-bit system type that your computer originally came with from the product packaging. You can also find the system type on the web from a product specification document. For HP and Compaq PCs, use the following steps to find your support specification on the web:
  1. In the Search field (or Questions or keywords field) at the top of this page, type your computer model number, a space, and the word "specification".
    For example, if you owned a TouchSmart 600-1055 computer, you would type: 600-1055 specification
  2. Click the link on the search results page that matches the Product Specifications for your computer model. A product specification support document opens.
  3. Scroll down to the software section to find the operating system version and system type.
    The type should be listed with name of the operating system; for example: Windows Vista Home Premium (64-bit). If 32-bit or 64-bit is not listed next to the name of the operating system, the system type is 32-bit.