Jason Roy and captain Joe Root both smashed centuries as the tourists easily reached their target of 361 with eight balls to spare in Barbados.
It was their highest ever run-chase in the format.
Chris Gayle's innings of 139 off 129 balls went in vain as the Windies' poor form in ODI cricket continued.
The second encounter of the five-match series will be played on Friday.
Kohli to play 2027 World Cup only if he can add value
India veteran Virat Kohli said he has nothing left to prove and would consider playing the 2027 One-Day International World Cup only if he can still contribute meaningfully.
FIFA officials to meet Iranian FA to discuss World Cup on Saturday, says source
FIFA Secretary-General Mattias Grafstrom will meet Iranian FA (FFIRI) officials in Istanbul on Saturday and offer "reassurance" over Iran's participation in the World Cup, a source familiar with the talks has told Reuters.
Gaikwad says Chennai face 'simple' equation of winning every game to stay alive
Chennai Super Kings captain Ruturaj Gaikwad said his side faces a straightforward equation and must win their remaining matches in the ongoing edition of the Indian Premier League to stay in playoff contention after a seven-wicket loss to already-eliminated Lucknow Super Giants.
Romelu Lukaku makes Belgium's World Cup roster
Romelu Lukaku was named to Belgium's 26-man World Cup roster on Friday despite the team's all-time leading scorer being limited to only five appearances for Napoli this season due to injuries.
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