many reliable vpn providers offer free options that, while limited in features, are effective at keeping you safe online and hiding your physical location.
introduce 5 free vpns including: uvpn - zenmate - earth vpn - touch vpn. explain whether you should use a free vpn and how it is different from paying.
vpn (virtual private network) is understood to be a virtual private network system, capable of creating a network connection based on certain service providers.
and not only the hotspot shield alone, but also the purevpn and zenmate.