In the video, posted by the Washington Post, Mr Trump is heard telling TV host Billy Bush “you can do anything” to women “when you’re a star”.
The New York businessman bragged about trying to have sex with a married woman as well as kissing and groping others.
Mr Trump quickly dismissed it as “locker room banter” and added, “Bill Clinton has said far worse to me”.
The clip was part of unaired footage of an Access Hollywood segment ahead of Mr Trump’s appearance on the soap opera Days of Our Lives.
“I moved on her and I failed. I’ll admit it,” Trump is heard saying. “She was married. And I moved on her very heavily.”
SOURCE: BBC News Online