If you need a permanent screen-mirroring solution without paying, several reliable free alternatives exist: 1. Built-in Operating System Tools
For a permanent solution, purchasing a license is the only way to get a valid, malware-free key that entitles you to updates and support. Reflector 4 License Key Free
If you're interested in purchasing a license for Reflector 4, I recommend: If you need a permanent screen-mirroring solution without