Getting & installing Touchdesigner
Download Touchdesigner here:
https://derivative.ca/download
Check the system requirements & download the right version. Install it as usual.
KEy
The NON-COMMERCIAL version is free to use, but has limitations on resolution.
Sing up (free) to get the keys for install.
Check in with the HKUBlackbox if you need to borrow an educational license to unlock certain possibilities.
Check the 'enable dongle' or 'codemeter' box during the install for this.