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 double at Liverpool fires PSG into Champions League semis
Ousmane Dembele struck twice to confirm Paris St Germain's place in the Champions League semi-finals with a 2-0 victory over Liverpool on Tuesday, sealing a 4-0 aggregate win in their quarter-final tie at a rain-soaked Anfield.
Ex-England international Shelvey named Arabian Falcons FC manager
Former England midfielder Jonjo Shelvey has retired from playing and will take over as manager of third-tier United Arab Emirates side Arabian Falcons FC.
Muzarabani given two-year PSL ban after IPL switch
Blessing Muzarabani has been banned from the Pakistan Super League (PSL) for two years after the Zimbabwe fast bowler joined Indian Premier League (IPL) side Kolkata Knight Riders, despite having agreed to play for PSL team Islamabad United.
Draper vows to overcome injury woes after Barcelona exit
Jack Draper vowed to work his way out of his injury woes after being forced to retire with a right leg problem midway through his first-round match against Tomas Etcheverry at the Barcelona Open on Monday.
Long-time NFL coach Dave McGinnis dies at 74
Dave McGinnis, who spent 30 years as an NFL head and assistant coach, has died on Monday due to a prolonged illness, the Tennessee Titans announced.
His Highness Sheikh Mansour bin Zayed Al Nahyan, Vice President, Deputy Prime Minister, Chairman of the Presidential Court, has held a phone discussion with Mohammad Baqer Qalibaf, Iran's Speaker of the Parliament.
The Sharjah Private Education Authority (SPEA) have announced that administrative and teaching staff in private schools and nurseries across the emirate will resume work on Wednesday, April 15.
Private early childhood centres in Dubai and Sharjah are set for a gradual return to on-site learning from Thursday April 16, starting with those in government premises and commercial buildings, subject to prior approval.
