IIRC the Replicator 1, Flashforge Creator, CTC Dual, Wanhao Duplicator 4 are all basically the same machine but different labels.
These machines are designed for replicator g software. the link is a manual. page 12 explains how to set up and install software.
http://www.3duniverse.org/3D%20Universe … Manual.pdf
Copy from page 12 above
Steps for installing and configuring your software:
1. Download and install the appropriate version of PyPy from
http://pypy.org/download.html
2. Download and install the appropriate version of Replicator G suitable for your system
from http://replicat.org/download.
a. During the installation, if you receive a message saying that a Python interpreter
was not found, ignore it and press Install to continue.
3. To run the Replicator G software, double click the shortcut on your desktop or in your
start menu.
4. Click File > Preferences, then click Select Python interpreter on the Advanced tab. A
window will pop up, navigate to the PyPy installation directory and select pypy.exe and
click ‘Open’.
flashforge download page
http://www.flashforge-usa.com/support/downloads/
Here is another l link is in open source office format so you will need OS office or a compatible program to read it .
OS office is a open source program similar to MS office free program .
http://www.3dprintfilemarket.com/3dprintingbook.html
The other option is to reflash your firmware with saltfish and then you can run repetier host .
No worries there are options and this community is here to support one another. sad the seller is unwilling to help you.
Hope this helps.
Tin
Soliddoodle 4 stock w glass bed------Folger Tech Prusa 2020 upgraded to and titan /aero extruder mirror bed
FT5 with titan/ E3D Aero------MP mini select w glass bed
MP Utimate maker pro-W bondtech extruder
Marlin/Repetier Host/ Slic3r and Cura