did you try this? appears the issue is anyone who has Windows Version 20H2 (Start>settings>system>about); this version is installed on all new computers purchased after Oct. 10, 2020) - does that fit you?
- change your resolution to 800 x 600 (start>setting >system resolution. once it's been changed, your screen size will look very big. REMEMBER your initial resolution setting!
- launch TT and the activation screen should launch. copy / paste in your activation code. you should get the 'all set' green check mark
- change your resolution back to what is was originally.
