What are requirements to move to Taiwan?

My girlfriend is going home to Taiwan, and I want to follow her.
I know that I obviously need a passport and a Visa, but is there anything else that I need to qualify to live there?

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��).