If the professional version of AnyDesk is out of your budget, there are safer ways to manage your remote desktop needs:
Getting Anydesk Premium Features via GitHub: Myths, Risks, and Better Alternatives anydesk license key free install github
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: If the professional version of AnyDesk is out