Q: where does the scenario go?
A: C:\Users\pcname\AppData\Roaming\Factorio\scenarios

Q: Zipped or unzipped?
A: Unzipped

Q: Any limits on who can use this mod?
A: This is the same as the MIT license, but with the following added stipulation, described in brief:

ANY and ALL current and post 2016 united states presidential election Donald Trump Supporters/Current and Practicing Republicans/other such vile traitors to the United States of America are not permitted to use this mod, for moral reasons. Anyone who does not support the CURRENT republican insurgency in the senate and white house, or are rehabilitated republicans who renounced their ways after understanding the terrorism being enacted by the current insurgency in the senate and white house, ARE permitted to use this mod