There are likely dozens, if not hundreds, of videos of BTS performing live - both on stage and in other situations.
These are just some of my faves.
RM Live in Seoul 2022
J-Hope at Lollapalooza Berlin 2025
BTS' "Proof Live" performance near Las Vegas 2022
BTS performing "Butter" at the Grammys 2022
BTS performing "Ddaeng" and "IDOL" at the 5th Muster 2019 - Magic Shop
BTS performing "ON" at Grand Central Station NY for The Tonight Show 2020
BTS performing "MIC Drop" and "달려라 방탄 (Run BTS)" at BTS Yet To Come in Busan 2022
BTS performing "Spine Breaker" at the 5th Muster 2019 - Magic Shop - stage self-cam
BTS performing "Old Town Road" with Lil Nas X and others at the Grammys 2020
BTS performing "Chicken Noodle Soup" at Sowoozoo (Muster) 2021