Launch the target program you want to check if it’s 32-bit or 64-bit then open Task Manager and go to the Details tab right-click on a column header and choose Select columns and check the Platform box and click OK
Launch the target program you want to check if it’s 32-bit or 64-bit then open Task Manager and go to the Details tab right-click on a column header and choose Select columns and check the Platform box and click OK