3 YEAR WARRANTY INCLUDED WITH PURCHASE! Ready to go with latest MacOS Catalina 10.15, along with keyboard and mouse and also a BONUS! Excellent shape overall. The iMacs are verified and certified by an Apple Mac Technician, and come with DOUBLE the memory and EIGHT times the storage as the New iMac! The RETINA 5K display is amazing to look at, and this is one of the BEST iMacs ever made my Apple!