How do i view my CCTV cameras from home, (away from work).?

I want to view my CCTV cameras from home, (they are setup at my shop away from home). i can view them using the DVR, but i need to be in the shop and connected to my shop internet. what i want to do is to view them from home, i have a static ip address, but i dont know what to do, so please help me. 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…).