Microsoft Edge is an internet browser built by Microsoft to replace Internet Explorer.Jaque Silva/NurPhoto via Getty ImagesMicrosoft Edge is an internet browser installed by default on all new Windows computers.Edge was made to replace Internet Explorer, and runs faster and with more features.Edge now works with Microsoft's new AI-powered features like Copilot.There was once an old joke among Windows users: "Internet Explorer is the best browser to download a better browser with."In other words, Internet Explorer — Microsoft's old flagship internet browser — was been around for years, and few people actually liked it.