How to get this girl without ruining a different friendship?

So there's this girl I like, and we are really close. I think she likes me back. BUT her ex is a good friend of mine. They haven't been out for ages, but he hates her. She doesn't mind him. I really like her but don't want to ruin my friendship with this guy. What should I do?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).