please help
Telephone Technical Support: Expired
You are eligible to purchase telephone technical support from an Apple Advisor.
Repairs and Service Coverage: Expired
Our records indicate that your product isn’t covered under Apple’s Limited Warranty or an AppleCare product for hardware repairs and service based on the estimated expiration date.
What does this mean ?
And
Why i can't install the catalina software? my current software is OS X YOSIMITE and i want to install the catalina but i cant pls help