How to use a Free VPN for Mac will be an added advantage in boosting your privacy and security online. All the given VPNs offer the function of hiding your IP address, and so your data will be safe during the process. Some of the most frequently used options include Proton VPN for it does not limit the amount of data — for instance, it can provide ten Gb per week without slowing speed down; Avira Phantom VPN is another example, for which one does not even need an account to use it.