What VPN do to secure your data:
When you send information online, VPN will create a tunnel to encrypt your data, then if someone gets your data won’t be able to read it. This tunnel makes the hacking a little harder but not impossible, a VPN also adds in an extra server. in this way, your data goes to their server first and then to the website.
It changes your location and makes you able to watch any tv show, depending on the geolocation.
It also helps you to keep your privacy and security, while these days, we hear many news about peoples who get hacked and their privacy exploited. You can stay anonymous and do all your activity with no worry.