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.
American teen Jovic stuns Paolini at Australian Open for career-best win
American 18-year-old Iva Jovic pulled off the biggest upset of her young career when she stunned Italian seventh seed Jasmine Paolini 6-2 7-6(3) at the Australian Open on Friday to earn her first Grand Slam last-16 appearance.
Alcaraz turns showman in Moutet mauling at Australian Open
Carlos Alcaraz turned on the style as he raced into the Australian Open fourth round on Friday with a highlight-laden 6-2 6-4 6-1 clinic against France's own trick-shot maestro Corentin Moutet.
Medvedev fights back from two sets down to beat Marozsan at Australian Open
Daniil Medvedev clawed his way back from two sets down to beat Fabian Marozsan 6-7(5) 4-6 7-5 6-0 6-3 at the Australian Open on Friday to set up a last-16 tie against Learner Tien, the young American who knocked him out in the second round last year.
Sabalenka passes Potapova test to reach Australian Open fourth round
World number one Aryna Sabalenka has passed her first major test of the Australian Open on Friday, fending off a serious challenge from Anastasia Potapova to reach the fourth round with a tense 7-6(4) 7-6(7) win.
Sancho sends Villa through to Europa League last 16
Aston Villa has secured a spot in the Europa League last 16 on Thursday as Jadon Sancho's header earned a 1-0 win at Fenerbahce, with SC Freiburg and Olympique Lyonnais also booking their places in the knockout stage.
2:00pm - 6:00pm
Brent Black has the biggest stories of the day and the stuff you might have missed.
6:00pm - 7:00pm
An extra hour of the UAE's biggest radio show for your drive home.
The legendary Craig David joins The Kris Fade Show for an unforgettable chat!
S.N.E joins The Fusion with Eddie for an unforgettable episode! 🔥
The super-star and multi-award-winning singer-songwriter, Jason Derulo is bringing the heat to Dubai.
One of the most talked about comedians in the world takes over The Kris Fade Show. Watch the full interview here...
