How to Check Server 2003 32-bit or 64-bit

I have here a Server 2003 server systems, today want to install the patch, but it is not clear how many of Kazakhstan. . . . .
Now find the relevant information, do the next record, reserved for later use.
Usually we look at the common view method :( invalid)

Since the above method can not see, then we can use other methods:

1, ststemInfo to view

Note: I must be capitalized letters

2, using the winver command to view