Taken from the installer agreement:
2. Grant of License.
Step 1: Games grants you the nontransferable, nonexclusive right to
use the Software in accordance with the terms of this Agreement.
YOU MAY: (i) load the software into RAM as well as install it on a hard disk
or other storage device, and (ii) make one copy for backup purposes.
YOU MAY NOT: modify, translate, disassemble, reverse engineer, or decompile the Software.
Any derivative works become property of Step 1: Games.