Microsoft Windows 10
If your computer uses Windows 10, then you can do the following
Open the Windows Settings by pressing Windows + I
Head out to System > About
On the right side, look for the “System type” entry
It will show you two pieces of information, If you’re using a 32-bit or 64-bit operating system and whether you have a 64-bit capable processor to run the operating system.
Microsoft Windows 8 and Windows 8.1
If your computer uses Windows 8 or 8.1, then you can do the following
Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
Type system in the search box, and then tap or click Settings.
Tap or click System.
If you are running a 64-bit version of Windows 8, 64-bit Operating System is displayed in the System type field under the System heading. If you are running a 32-bit version of Windows 8, 32-bit Operating System is displayed in the System type field under the System heading.
Microsoft Windows Server 2003
If your computer uses Windows Server 2003, then you can do the following
Click Start, and then click Run
Type winmsd.exe, and then click OK
When System Summary is selected If the value that corresponds to the processor starts with x86, the computer is running a 32-bit version of Windows.
If the value that corresponds to Processor starts with EM64T or IA-64, the computer is running a 64-bit version of Windows.
Microsoft Windows 7
If your computer uses Windows 7, then you can do the following
Choose Start > Control Panel.
If the Control Panel is in a category view, then click System And Maintenance. On the next screen, click System.
If the Control Panel is in Classic View, then double-click System.
Look for 32-bit Operating System or 64-bit Operating System next to System Type.
Microsoft Windows Vista
If your computer uses Windows 7, (Its probably time for an upgrade) then you can do the following
Choose Start > Control Panel.
If the Control Panel is in a category view, then click System And Maintenance. On the next screen, click System.
If the Control Panel is in Classic View, then double-click System.
Look for 32-bit Operating System or 64-bit Operating System next to System Type.
Microsoft Windows XP
If your computer uses Windows XP, (Its probably time for an upgrade). But you can do the following
Choose Start > Control Panel (or Start > Settings > Control Panel).
If the Control Panel is in a Category View, then click Performance And Maintenance. On the next screen, click See Basic Information About Your Computer.
If the Control Panel is in Classic View, then double-click System.
In the System Properties window, click the General tab.
If the text beneath System says Microsoft Windows XP Professional x64 Edition, then you are running a 64-bit edition of Windows XP. Otherwise, you are running a 32-bit edition.
Apple Mac OS
If you have a Apple Product, you can check by the following method.
Click the Apple icon in the menu bar
Select the About This Mac option in the Apple menu
On the About This Mac window, click the More Info option
Open the Hardware section and find the Processor Name attribute
Just do a search for the processor name on the internet and you will find the type of processor it uses.
Most of the recent computers that Apple Manufactures comes in 64 Bit Variant only. While the recent M1 Processers are typically 64 Bit extension of the AArch64 or ARM64
Linux Systems
If you use a Linux System, perform the following operations.
Open the command line interface
Enter the following command : grep flags /proc/cpuinfo
Check for "lm" keyword in the output screen.
If "lm" is found the CPU is a 64 Bit Machine
If you see i386, i486, i586, or i686 in the output results, then the CPU should be a 32-bit machine