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.
F1 legend Mika Häkkinen turns brand ambassador for Only Legends Drive UAE
Two-time Formula One World Champion Mika Häkkinen will step in as the brand ambassador of the ultra-luxury four-day supercar rally - Only Legends Drive UAE, that kicks off on March 19.
Guardiola vows to speak up for victims of global conflicts
Pep Guardiola said he will continue to use his platform as Manchester City manager to speak up for victims of global conflicts and violence.
Arsenal beat Chelsea 1-0 to reach League Cup final
Arsenal booked their spot in the League Cup final by beating Chelsea 1-0 at the Emirates Stadium on Tuesday thanks to an injury-time goal by former Blues attacker Kai Havertz, sealing an aggregate 4-2 win over their London rivals.
Top-10 finishers in LIV events to receive word ranking points
Top-10 finishers in LIV Golf's 14 individual stroke-play events will earn world ranking points this year, Official World Golf Ranking (OWGR) said on Tuesday, granting accreditation to the breakaway tour for the first time.
Barca advance to Copa Del Rey semis as Albacete’s run ends
Barcelona ended Albacete’s giant-killing run in the Copa del Rey, winning 2-1 away on Tuesday to become the first side to book a semi-final berth, but only after surviving a late comeback from the second-tier outfit.
