However, when I try to add to Arduino and the compile...this message comes up: Specified folder/zip file does not contain a valid library. (Do i need to unzip and and take out the individual libraries? If so, how?)
Can you please help me fix this. I would appreciate is sooooo much! Thanks!
The problem is the structure of that repository does not allow you to use the Sketch > Include Libraries > Add .ZIP Library feature to install the library via the .zip file. That only works when the library is in the root of the repository, not in a subfolder.
You can install it by following these instructions: