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.
Dembele named FIFA player of 2025, Bonmati wins women's award
Paris St Germain and France forward Ousmane Dembele was named FIFA men's player of the year in Doha on Tuesday with Spain and Barcelona midfielder Aitana Bonmati winning the women's award for the third year in a row.
Australia's Green becomes IPL's most expensive overseas player
Australia all-rounder Cameron Green became the most expensive overseas player in the Indian Premier League (IPL), after Kolkata Knight Riders signed him for 252 million Indian rupees ($2.77 million) at the player auction for the 2026 season in Abu Dhabi on Tuesday.
Jordan qualifies for the FIFA Arab Cup final
The Jordanian national team has qualified for the FIFA Arab Cup 2025 final, set to go against Morocco for the title on Thursday at the Lusail Stadium at 8:00 pm.
Sharjah Warriorz make it two in two with 11-run win over Gulf Giants
The Sharjah Warriorz have produced a composed all-round performance to outclass the Gulf Giants by 11 runs at the Sharjah Cricket Stadium on Monday.
Bournemouth rescue draw with Man United in eight-goal thriller
Bournemouth's Eli Junior Kroupi has struck late to salvage a point for his side in a 4-4 draw with Manchester United on Monday, capping a Premier League thriller that swung wildly from start to finish.
