I've installed gVim and the install has gone into here:
C:\Program Files (x86)\Vim
Would there have been advantages to installing it in the following location?:
Vim is not as weird or complicated or mysterious as you seem to believe it is.
You let the installer put Vim and its default runtime wherever it thinks Vim should be installed and customize it by dropping plugins/colorschemes in
That's all there is to it.
As long as your system knows where the Vim executable is located, you have no business messing with that executable and/or its support files: where they are and what they contain is completely irrelevant to you and your configuration effort.
Rather, I guess your real question is about installing plugins and configuring Vim. Again, this is not dependent on the Vim installation location, but rather governed by the