Configuring routeros as vpn on vware player

Hi everyone ,
I need your help guys, i have routeros installed on vmware , the vmware is installed on a hosted windows server , i am trying to configuring the routeros on the vmware but i dont want to make a network config mistake cause me to lose connection to the server , also i need to configure the routeros as a vpn solution.
If anyone can help me to do this step by step , i am not that nerd in routeros , very basic knowledge.

Waiting for a reply.

Thanks in advance.

Regards,