Altera Quartus Ii 13.0 Free Download Free Link

Many experienced FPGA engineers report that Quartus II 13.0 offers exceptional compile-time stability and a lower memory footprint compared to newer versions. It does not suffer from the bloat of later releases, making it ideal for older PCs or virtual machines.

If you are still using , Quartus II 13.0 remains your only official option. altera quartus ii 13.0 free download