Basically, most of the VPN provider will give you the chance to try their VPN, but at first the speed is slow and lines are little. Later, after you have downloaded it and use it for a while, they will suggest you to buy their VIP to get faster network. Normally, you will cost $20-30 each year. It’s really not so much. But if you do want to use a totally free VPN. I can recommend you to check finevpn