4.1. Intel HLS Compiler Licensing Issues - The Intel High Level Synthesis (HLS) Compiler is licensed as part of your Quartus Prime license. However, the Intel HLS Compiler depends on QuestaSim software. If you use a version of QuestaSim software other than Questa Intel FPGA Edition or Questa Intel FPGA Starter Edition , ensure that your version of QuestaSim software is licensed correctly. - 2025-12-15

Altera High Level Synthesis Compiler Pro Edition Getting Started Guide
Version
24.1
Product Type
Development Software and Tools > FPGA Design & Simulation Tools > Quartus Prime Design Software > Pro Edition
Device Families > Arria Families > Arria 10
Device Families > Agilex Families
Device Families > Agilex Families > Agilex 7 > F-Series
Device Families > Stratix Families > Stratix 10
Development Software and Tools > FPGA Design & Simulation Tools > Quartus Prime Design Software
Device Families > Agilex Families > Agilex 7
Device Families > Cyclone Families
Device Families > Arria Families
Device Families > Stratix Families
Device Families > Cyclone Families > Cyclone V
Device Families > Agilex Families > Agilex 7 > I-Series
Device Families > Cyclone Families > Cyclone 10 > Cyclone 10 GX
Device Families > Cyclone Families > Cyclone 10
Resource Type
Documentation > User Guides
ft:sourceName
DITA
The Intel® High Level Synthesis (HLS) Compiler is licensed as part of your Quartus® Prime license. However, the Intel® HLS Compiler depends on QuestaSim® software. If you use a version of QuestaSim® software other than Questa® Intel® FPGA Edition or Questa® Intel® FPGA Starter Edition, ensure that your version of QuestaSim® software is licensed correctly.

In some cases, you might encounter problems with the licensing for QuestaSim® software.