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You need to install python and the beem library. It's the python execution engine that will run your code. There is no fee to use beem afaik

Ok. Maybe I'll just stick to other wallets lol

As Sorin.lite suggested you will need to install python and will need at least beginner level understanding of programming with python. It is actually not that difficult, basic stuff can be learned in a week or so.
Beem is free. It is a python library for Hive.