Determine operating system bit count online – use two applications simultaneously to get the most accurate result
Each application can display only one of two OS bit versions: 32-bit and 64-bit. If the left and right values are the same, there is no doubt that the result is correct. Occasionally, it is possible to see that the left and right results are different. This means that, most likely, you are using a 32-bit system on a 64-bit processor.