Downloads - C Library
Windows XP/2003/Vista/7 - Intel C/C++ or Microsoft C/C++
Specific download information:
- NAG C Library, Mark 23
- For Windows XP/Vista/7 or compatible
- 32 bit x86 systems and compatible
- Using Intel C/C++ version 12.1
or Microsoft Visual C++ version 16.0
- File size of NAG C Library
120 MB ; 126,801,749 bytes
- File size of Documentation
98 MB ; 102578928 bytes
- NAG Product Code: CLW3223DAL
The software is provided as self-extracting executable.
Download it from here (120 MB),
and then run clw3223dal_setup.exe to install the NAG C Library.
You can access the documentation on our website.
You also have the option to download the self-extracting executable from here (98 MB),
and then run setup_cl23_manual.exe to install the NAG C Library Manual.
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 Notes. 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.
For more information on trialling NAG software click here
The product can be purchased by contacting one of our offices.