How much is a licence FFT IP core, is it better to buy a full version of Quartus?

Hi,

Better to go with Quartus licencing but it will be comparatively expensive than IP license.

If you want the enable Intel FPGA IP Evaluation Mode feature check below link.

https://www.intel.com/content/www/us/en/programmable/support/support-resources/download/megacore-ip.html

And for buying IP check below link.

https://www.intel.com/content/www/us/en/programmable/buy/intellectual-property.html

To buy Quartus check Below link

https://www.intel.com/content/www/us/en/programmable/buy/design-software.html

or

Please refer to Intel® FPGA Licensing Support Center to get started, find information on license types, getting a license file, setting up a license file, and resolving license-related issues.

https://www.intel.com/content/www/us/en/programmable/support/support-resources/support-centers/licensing.html

Otherwise for license file request and activation, log in your “My Intel” account to find Intel FPGA Self Service License Center and submit Contact Customer Service form.

Regards

Anand