Get a VPN. Ideally make your own. Here's some resources. This will let you bypass region locks.
https://youtu.be/Lk_v6Q0YsNo #this dude is based
I know it sounds too technical if your not much a of "tech" pede but these tutorials are pretty straightforward. If you want to just buy one its fine but do some research into the companies offering them and do not go for a free one. You always get what you pay for.
RT is still on YouTube. At least for me.
They're still on rumble
You can also use the search engine Yandex to get to RT.