Follow these steps to install more than one instance of MT4 onto a PC or VPS, and DON'T SKIP ANYTHING!
The easiest way to get MT4 onto your VPS is to download the MT4 installation zip file onto your home computer. Then copy and paste the MT4 zip file onto the desktop of your VPS.
Double click it to start the first installation on your VPS. It will create a "MetaTrader" folder under the folder Program Files (x86). Close MT4 when it opens automatically and delete the 2 desktop icons it creates. Open the MetaTrader folder in Windows Explorer under c:\This PC\Local Disk\Program Files (x86) and change the name of the MetaTrader folder to something like OANDA-1 (or the name of your broker).
Then open the OANDA-1 folder, right-click over the Application file and choose "Create Shortcut".
Then Rename your new shortcut "OANDA-1" or "MT4-1"...
Double Click your newly renamed shortcut to open MT4 then copy and paste that shortcut onto your VPS Desktop. You can now open this MT4 from that shortcut on your VPS desktop.
Since you changed the MetaTrader directory name, you can now install another instance of MT4 without over-writing the previous installation. Repeat the steps above for each additional instance of MT4 but give each installation a unique name like OANDA-2, OANDA-3, etc.
To install the EAs, create a Roulette Trader folder on your VPS desktop. Then copy the EA files on your home computer and paste them into the Roulette Trader folder on your VPS. From there, you can copy the EA files into each separate installation of MT4. Open the Data Folder in each MT4 and you can paste the files in the appropriate folders of each one like an assembly line. In the MT4 Navigator that displays the Experts folder on the left side of MT4, right-click over "Experts" and choose "Refresh" so your newly installed EA files will appear.
After installation and EA setup is complete, close each MT4 and reopen them from your new desktop icons. This will save your current settings and make sure MT4 recognizes all of the new files.