NAG Software Downloads - NAG Library for SMP & Multicore

Specific download information:

  • NAG Library for SMP & Multicore, Mark 23
  • For Windows XP/Vista/7 32-bit
  • Using Intel(R) 32-bit Fortran Compiler version 12.1 and compatible
  • (including ifort 10.1, 11.0 and 12.0)
  • Using Vendor library: Intel MKL version 10.3 and compatible
  • File size of NAG Library for SMP & Multicore
    66.8 MB ; 70,119,213 bytes
  • NAG Product Code: FSW3223DCL


The software is provided as self-extracting executable. Download it from here (66.8 MB), and then run fsw3223dcl_setup.exe to install the NAG Library for SMP & Multicore.

For implementation specific information, refer to the Installer's Note and User's Note.


You can access the documentation on our website.
You also have the option to download the self-extracting executable from here (112 MB),
and then run setup_fl23_manual.exe to install the Fortran Library Manual.

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 Technical Support Service.

Trial Request

For more information on trialling NAG software click here

Product Purchasing

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