UE4 on 32-bit windows OS ?

As per intel, your CPU is 64 bit:

So go to Microsoft.com (for windows 8.1) or your favorite retail outlet, and get an upgrade to Windows 7 64 bit (or even windows 8.1 64 bit if you want), your machine will run either OS just fine. :slight_smile:

**EDIT: Sorry Stefan, I thought you meant the editor… :slight_smile: