Are you using Opera Browser for awhile? or a long time ago? Opera just offer FREE VPN for all users, unlimited access and no catch. VPN is a great tool if you want to access regional restricted content, browsing the internet anonymously or protecting your privacy and it also somehow boost your browsing speed while connected. Usually VPN services is not free and it cost you around 4 to 9 USD per month, but Opera just give it for FREE.
Opera VPN offer 5 servers with geo-location like Canada, Germany, Netherlands, Singapore and United States.
Download the Opera Browser on their Official Website opera.com.
To activate the VPN, just press the Menu on the upper top, then click Settings, then Privacy & Settings and Check the Enable VPN.