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.
Clinical Sinner holds off wildcard Jodar to reach Madrid Open semis
World number one Jannik Sinner held off 19-year-old wildcard Rafael Jodar to win 6-2 7-6(0) in the Madrid Open quarter-finals on Wednesday, becoming the sixth player to reach the semi-finals of all nine ATP 1000 Masters tournaments.
LIV Golf touts 'strong momentum' despite New Orleans postponement
LIV Golf said the league looks forward to continuing its "strong momentum" despite postponing its New Orleans event scheduled for June amid questions about its future beyond 2026.
Baptiste's variety drags Sabalenka out of comfort zone in Madrid shock
Hailey Baptiste offered a glimpse of how Aryna Sabalenka can be unsettled on clay after mixing forays to the net with changes of pace to save six match points and prevail over the world number one in their Madrid Open quarter-final on Tuesday.
FIFA to increase financial distribution to all 48 World Cup teams by 15%
Amid widespread complaints about the cost of tickets and transportation related to World Cup games, FIFA announced Tuesday that it will hike the money received by all 48 teams participating this summer by 15 per cent.
Sabalenka stunned by Baptiste in Madrid Open quarter-finals
World number one Aryna Sabalenka has suffered a shock 2-6 6-2 7-6(6) defeat by Hailey Baptiste at the Madrid Open on Tuesday as the American produced the biggest win of her career after saving six match points to reach the semi-finals for the first time.
Dubai Police have led a major international operation targeting transnational financial crime, resulting in the arrest of 276 suspects and the dismantling of nine criminal centres linked to investment fraud and virtual currency scams.
The UAE has launched a National Register of Modern Heritage as part of wider efforts to preserve cultural landmarks and strengthen Emirati identity across future generations.
UAE President His Highness Sheikh Mohamed bin Zayed Al Nahyan met with King Hamad bin Isa Al Khalifa of Bahrain on Wednesday, in the presence of His Highness Sheikh Mohammed bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE and Ruler of Dubai, and His Highness Sheikh Mansour bin Zayed Al Nahyan, Vice President, Deputy Prime Minister and Chairman of the Presidential Court.
