Looking for step by step instructions to install SCS for BG2:EE

I would like to play BG2EE with the SCS mod, but I'm having an incredibly difficult time trying to install it. There seems to be a bunch of versions and mod compilations, but I can't figure out the correct one let alone how to install it. A few times I thought I finally found what I needed only for the installation to inexplicably fail. For example, I attempted the Big World tool which then asked for the modmerge tool which just errored and messed up my installation (which I fixed by verifying the game cache).

I would greatly appreciate if someone could provide me with or direct me to a set of (accurate and updated) instructions on how to install the SCS mod for BG2EE.

Please note the following:

1. I am using the steam version of BG2EE
   
2. My computer is using the 64 bit version of Windows 7
   
3. Applying SCS to BG1EE (including SoD) would be nice but is not required.
   
4. SCS is the only mod I am looking to install. The simplest solution to do so is preferred.