If you type “Waves CLA-2A Compressor free download” into Google or YouTube, you will find links to file-sharing sites (Mediafire, 4shared, Torrents).
Do not download these.
Here is why the "cracked" route is a nightmare: Waves Cla-2a Compressor- Free Download
Do NOT search for "Waves CLA-2A cracked" or "keygen." Cracked Waves plugins often contain malware, ransomware, or keyloggers. Waves also uses anti-piracy that can break your DAW. If you type “Waves CLA-2A Compressor free download”
Unlike FET (1176) or VCA (SSL) compressors, the LA-2A uses an electro-optical attenuator. A light source shines on a photoresistor; the louder the signal, the brighter the light, the more the gain is reduced. This creates a natural, musical lag that is nearly impossible to replicate with digital algorithms alone—until Waves and CLA did it. the louder the signal