How to open zoo tycoon as a minimisable window?

A long time ago someone told me to add something like .wx on the end of zoo tycoon on my desktop to open it like its a webpage, so I can minimise it and do other things while playing it.

Now I want to be on msn but play it at the same time. Is there a way to have it open and play it, but have the ability to minimise it and stuff?

Thanks.

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…).