NAG Downloads - C Library

Apple Intel Mac (Mac OS X 64), GNU gcc

Specific download information:

  • C Library, Mark 9
  • For Apple Intel Mac (Mac OS X 64)
  • Using GNU C Compiler
  • File size of C Library (includes Library Manual)
    144 MB ; 151629965 bytes
  • NAG Product Code: CLMI609DGL


The software is provided as an Apple disk image (dmg) file.
Download the dmg file from here (size: 144 MB).

For further installation instructions, refer to the Installer's Note and Users' Note.

Licence key

To enable the use of your NAG software you will need a relevant licence key. Instructions for obtaining a licence key are included in the products Installer's Note. Alternatively you can complete the ‘Request a Licence Key’ web form here. If you've already been supplied with a licence key from our Support Desk then you will not need to complete this form/request a key. In the event of difficulty please contact your NAG response centre.

To enable the use of your downloaded NAG Software you will need a relevant licence key. Please click here to request a licence key.

Trial Request

For more information on trialling NAG software click here.

Product Purchasing

The product can be purchased by contacting one of our offices.