Shai Hope is bowled. Photo: AFP
Bangladesh bowled out West Indies for 190 runs in 19.2 overs in the series-deciding third and final T20I at Sher-e-Bangla National Cricket Stadium at Mirpur.
West Indies opener Evin Lewis made 89 runs off just 36 balls while Nicholas Pooran scored 29 runs.
For Bangladesh, Mahmudullah, Mustafizur Rahman and Shakib Al Hasan picked up three wickets each.
Earlier, Bangladesh captain Shakib Al Hasan won the toss and elected to bowl first.