Ranges from Level 4 (intermediate) to Easy for beginners.
The most common way to play an instrumental version of is in the original key of G Major . The song is known for its steady, driving 12/8 rhythm , often described as a pattern of triplets. 🎹 Piano Guide
You can find piano solo sheets on MuseScore or more professional scores at Musicnotes .
Many "easy" versions transpose the song to C Major to avoid sharps and flats.