Identifying Operating System

How can I identify whether my operating system is 32-bit or 64-bit?

Different operating systems may be available in different versions, 32-bit or 64-bit. If you download Quick Heal antivirus from our website on the computer where you want to install it, our installer will automatically detect your computer operating system and its version. Hence, you will get the right product. However, in case you need to know operating system and the version of your computer, follow these steps.

On Windows 10

  1. Go to Control Panel > System.
  2. Look at the System type under System.

    If the System type is 32-bit operating system, you need to download 32-bit Quick Heal antivirus product setup file. If the System type is 64-bit operating system, you need to download 64-bit Quick Heal antivirus product setup file.

On Windows 8.1 and Windows 8

  1. Go to Control Panel > System and Security > System.
  2. Look at the System type under System.

    If the System type is 32-bit operating system, you need to download 32-bit Quick Heal antivirus product setup file. If the System type is 64-bit operating system, you need to download 64-bit Quick Heal antivirus product setup file.

On Windows Server 2012 R2, Windows Server 2012, and Windows Server 2008 R2

Microsoft Windows Server 2012 R2, Windows Server 2012, and Windows Server 2008 R2 operating systems are available only in 64-bit.

On Windows 7, Windows Vista, and Windows Server 2008

  1. Go to Control Panel > System and Maintenance > System.
  2. Look at the System type under System.

    If the System type is 32-bit operating system, you need to download 32-bit Quick Heal antivirus product setup file. If the System type is 64-bit operating system, you need to download 64-bit Quick Heal antivirus product setup file.

On Windows XP and Windows 2003 Server operating systems

  1. Go to Start > Control Panel. The Control Panel window opens.
  2. Double-click the System icon. The System Properties window opens.
  3. In the General tab under System, if x64 is mentioned before Edition, your operating system is a 64-bit operating system, else it is a 32-bit operating system.