YOU WILL RECEIVE THE FOLLOWING WITH YOUR ORDER: ? A NEW 2.0 PNY 32GB USB-A FLASH DRIVE (CUSTOM CONFIGURED) ? Sonoma 14.4.1 ? A Written Detailed 10+ Instruction Guide w/Photos and Basic Troubleshooting, And A Extra Clean Install Guide as a bonus, so a total of over 15+ Printed Pages! ? 1/2 Hour Of FREE Mac Technical Support Via Chat/Text/Messenger From A 30+Year Certified Mac Windows Tech ? YouTube Channel Video's Made For My Customers For Extra Visual Install Help ? Custom Private Link To Download Extra Help And Guides PLUS BONUSES! If you are not sure which OS will work for your computer, please message me with the serial number of your computer and I'll be able to advise you. ??This installer has a USB-A connector. If you have USB-C Ports You WIll Need an Adapter. Supported Mac Models for Sonoma: iMac from 2019 and later Mac Pro from 2019 and later iMac Pro from 2017 Mac Studio from 2022 and later MacBook Air from 2018 and later Mac mini from 2018 and later MacBook Pro from 2018 and later The only exception is the Mac Pro, released in 2017 and discontinued in 2021, which will run OS 14 just fine. But if you don’t own an iMac Pro or your Mac is a 2017 model or older, you’ll need to upgrade to a newer model to run Sonoma.