Click and follow the prompts to complete a full system backup.

As Apple moves forward with newer operating systems, finding a reliable way to perform a clean installation of macOS 10.15 Catalina can feel like a trek through digital history. A clean installation is often the best remedy for a sluggish system, providing a "fresh start" by wiping away years of cached files, broken registries, and software remnants. While the process requires a bit of preparation and a healthy dose of patience, it remains the gold standard for maintaining Mac performance.

, type your admin password, and wait for the process to finish. 3. Perform the Clean Installation