Accidentally deleted MACOS partition and left with Bootcamp

[Japkaran Brar]

I have accidentally deleted the MACOS partition and only left with Bootcamp in my macbook air early 2015 now.

How can i go about getting back my MAC OS?

I do not need to recover the files, all I need is the MacOS now.

 

[MacUser2525]

Hold down the command and R keys while booting to get to the recovery partition then reinstall using that option in there. This assumes you have not deleted that along with your mac partition. Now I think about it adding the option key to the two key combination will launch the internet recovery. If you have anything on the Windows partition you want to keep, backup it up before installing macOS again.

 

[Fishrrman]

You may get lucky with MacUser's approach above.

But chances are, you're going to have to completely erase the internal drive and start over.