Check Windows OS architecture using PowerShell

To check Windows 11/10 OS architecture using PowerShell, do the following:

Press Windows key + X to open Power User Menu.Then press i on the keyboard to launch PowerShell.In the PowerShell console, type in or copy and paste the command below and hit Enter.

The command will output the Windows 11/10 OS architecture accordingly. Read: How to determine an application is 64-Bit or 32-Bit

Check Windows 10 OS architecture using Command Prompt

Press Windows key + R to invoke the Run dialog.In the Run dialog box, type cmd and hit Enter to open Command Prompt.In the command prompt window, type or copy and paste the command below and hit Enter.

The command will output the Windows 11/10 OS architecture accordingly. Windows is available in both 32 and 64-bit architectures. What this basically means is the amount of memory your computer is capable of addressing. Some computers might be 64-bit capable but are limited by the amount of memory that can be installed. Windows 11/10 Home 64-bit supports up to 128 GB of RAM, while Windows 11/10 Pro, Education and Enterprise 64-bit support up to 2 TBs of RAM, Pro for Workstation can use up to 6 TBs. The 32-bit versions are limited to 4 GB of RAM. Windows 11/10 Home is limited to a single CPU, while Windows 10 S, Pro, Education, Enterprise editions can go up to 2 sockets and Pro for Workstation goes up to 4 sockets.  If you buy a modern PC today, more than likely, it shipped with a 64-bit CPU.