https://www.techradar.com/news/how-to-watch-scottish-cup-final-live-stream-free-from-anywhere-see-celtic-vs-motherwell

As the norm, the 2018 Scottish Cup final will take place at Hampden Park in Glasgow - so Celtic will immediately have the hometown advantage over Motherwell. 

Scottish football fans probably already know that coverage of the final will be on the BBC this year - which you can tune in to wherever you are in the world.