Uninstall any "extra quality" zip you found on YouTube. Scan your PC for malware. Then download the 4 plugins listed above. Your vocals will sound better and your computer will be safe.

A meticulous emulation of the legendary LA-2A optical limiter. It delivers smooth, warm, and musical compression that is ideal for leveling out lead vocal tracks.

You can achieve studio-grade results by combining these legitimate free plugins into a single mixer track. Pitch Correction: Graillon 3 (Free Edition)

A vintage 80s-style plate reverb. It yields a wide, lush, and smooth tail that sits perfectly behind pop, rap, and rock vocals.