What Macs will be able to run macOS Sierra? - Apple macOS Sierra

https://support.apple.com/en_US/downloads/macos

Go to closest Apple Retailer fixer. A tech maybe able to flash recover your systems data. Being backed up will help. This may not be as painful as it looks. Make the call.

Reboot and tap f8 to see if a system recovery command pops up. Follow the screen instructions.

Your call service for the Mac should also b able to talk you through the process. Then remotely have troubleshooting accomplished while you watch and converse on the telephone.

20 September 2016 Official date for the release

Hi Anonymous,

You didn't provide us with the model of computer you have.

You can follow the link below and check for the features that you want compared to your computer model number.

MacOS Sierra Technical Specifications

Thanks

if you are on Mac:
- go to http://www.apple.com/macos/sierra/
- Click on upgrade now
- Follow the rabbit

Mac OS X won't run on your pc... you can however run windows on a mac now... the latest generations of macs will allow you to run both systems... pretty cool .. sorry it won't work the other way...