The only major limitations of the free version compared to Studio are:

that does not require an activation key. It includes approximately 99% of the tools found in the paid version, including 4K editing and advanced color grading.

For professionals and businesses, using unlicensed software can lead to significant legal liability. DaVinci Resolve Free vs. Studio

Sites claiming to have "Free DaVinci Resolve Studio Keys" or "Keygens" (Key Generators) are often vectors for malware. DaVinci Resolve is a professional tool used in Hollywood; cracking it is complex. Hackers often bundle fake key generators with: