So start by downloading the .zip and extracting everything inside it
Once you have extracted all the .sk files from the .zip folder do this:
Go to your server
And go to files/plugins/skript/scripts
Once you are here simply paste the skripts!
Now in-game execute this commands:
/sk reload genserver_blocks.sk
/sk reload genserver_essentials.sk
/sk reload genserver_gens.sk
/sk reload genserver_shop.sk
ATTENTION!
Wait at least 20 seconds for every command!
If you see some errors is normal!