A cracked AnyDesk may actually install a secondary remote access tool that gives hackers control over your PC. This is ironic: you wanted free remote access, but you gave a stranger full access.
The primary danger of downloading a "free install" from an unverified GitHub repo is the compromise of your local machine. Because AnyDesk is a remote access tool, a compromised version gives an attacker the perfect backdoor. They can: anydesk license key free install github