@gary996 , you need this information:
https://www.virginmedia.com/help/device-management-for-sky-cinema-and-sky-sports
The lines between traditional hardware-tethered services and the complete freedom of web- and app-based services such as Netflix are getting blurred. The main Virgin service is still tethered, but Sky has created app- and web-based portals for Cinema and Sports because it serves their desire to drive subscription sales and retain customers in an increasingly competitive market where there's a lot of premium content appearing via shall-we-say unregulated sources (argh, Jim lad
)
AFAIK, the web portals are now closed, so the only way to watch is via a downloaded app on a suitable device. The key then to making this work is whether your TV has the scope to download and run the app(s) required. They're designed for smartphones and tablets and computers which have more processing power than the average smart TV and greater flexibility in what software can be run on them.
In short then, we can point the way, but whether you can get it to work depends on the TV.
It's perhaps worth bearing in mind that the app-based versions of Sky's service are limited to a maximum resolution of 720p, and can sometimes be less. They're designed to be viewed on much smaller screens than a home TV set.
See how you get on and then, if needed, come back for further help.