Click to pull the official Install OS X Mavericks.app into your Applications folder. Method B: Third-Party Archives (Use Caution)
If you don’t have it in your purchase history, community-vetted archives are the most common alternative: mac os x mavericks 10.9 iso and dmg image download
Released in October 2013, Mavericks represents a pivotal turning point in Apple’s history. It was the moment the company stopped naming its operating systems after big cats and started naming them after California landmarks. But more importantly, it was the moment the business model for desktop software changed forever. Click to pull the official Install OS X Mavericks
If you need help troubleshooting the installation or want specific steps for your setup, let me know. let me know.