Visit the Intel FPGA Software Download Center. You can download the QuestaSetup individually without installing the full Quartus Prime suite. 3. GHDL & GTKWave (Open-Source Powerhouse)
2. Questa-Intel FPGA Starter Edition (Successor to ModelSim) download vhdl simulation software free
Industry-leading simulation engine with advanced debugging tools. Note that some versions are "speed-restricted" but remain highly capable for educational use. Visit the Intel FPGA Software Download Center