Here is the way to get the beta key for Rainbow Six Siege PC/ Xbox One/ PS4
goto https://r6-aot.ubi.com/#!/trainings
and log in
start the missions and here are the numbers to press to get 5 stars on each Mission and unlock the Beta Key
Mision 1 buttons 1 1 2
Mission 2 buttons 3 1 2 3 3
Mission 3 buttons 1 2 3 1 1
Mission 4 buttons 1 1 1 1
Mision 5 buttons 1 1 2 1 2 2 2 1
This took me a while to get right and thought i would share.
