How to add VPN to your TV

For decades, the legacy Hollywood studios have made money by slicing and dicing the licenses to their ever-growing vaults of movies and TV shows to as many channels and streamers as possible in as many countries and territories as you can count. That's why shows available on Max in one country might switch to Netflix in another, and disappear altogether in a third. And savvy viewers have long used VPNs — virtual private networks — to expand their streaming options. Change your location from the US to the UK and, voila, you suddenly have access to Friends and The Office on Netflix again.

That’s great if you’re watching on a phone, tablet or PC, where installing and activating a VPN is as generally as simple as visiting the device’s app store. But streaming through a VPN is a bit more challenging on a TV. Than...