OS X Yosemite downloaded from the Mac App Store
For OS X and its software updates downloaded from the Mac App Store, your contact options are based on the support eligibility of the software. For some software, the options are based on the Apple hardware product on which you are using the software. Telephone support is free during your hardware product’s complimentary support period or with an AppleCare Protection Plan. Depending on your product's coverage, you may need to pay for support.