I did what you said and i believe that it did run it but nothing happened.
Microsoft Windows [Version 10.0.15063]
(c) 2017 Microsoft Corporation. All rights reserved.
C:\Users\User>cd c:/
c:\>cd Memeulator
c:\Memeulator>cd galimulator-windows-64bit.exe
The system cannot find the path specified.
c:\Memeulator>cd galimulator-windows-64bit
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe
c:\Memeulator\galimulator-windows-64bit>galimulator-windows-64bit.exe