If you are determined not to spend money, here is the best workflow to get a professional "Avox" style choir right now.
You can download the full version of AVOX Choir by signing up for a 14-day free trial of Auto-Tune Unlimited . This trial includes the entire AVOX suite and all editions of Auto-Tune. avox choir plugin free download
A free, award-winning chorus plugin that simulates multiple voices beautifully. If you are determined not to spend money,
Many high-end choir libraries (sometimes branded as "Avox" style) run inside Native Instruments Kontakt. While Kontakt usually costs money, the is free. Some developers release free "Discovery" series choirs. A free, award-winning chorus plugin that simulates multiple
Websites that host cracked software are notorious breeding grounds for viruses, trojans, and ransomware. That "installer" you are downloading might bundle the plugin you want, but it might also be installing a keylogger that steals your passwords or a botnet script that uses your computer’s processing power for crypto mining.
If you tell me which you use (like FL Studio or GarageBand), I can suggest the best built-in tools for this!