Its very much recommended as it masks your original IP its just for safety for everyone really heres a link, its easy to use, do you have msn? http://hamachi.en.softonic.com/
Right at the Top it says network, Press that then join existing network, the user name is: FM10-Server (Capital FM and Capital 'S') for the password its: chicken (Try without capital C if not try with) Once your on il chat you you via hamachi bud
Yeah sure mate, hamachi details:
Username: FM2010-Server (Capital FM and S)
Pass: chicken (Not sure wetherr is capital c or not)
When you have done that let me know and il personal message you the rest of info, or just talk on hamachi chat