Questa* – Altera FPGA Edition and the Starter Edition are both tailored versions of Siemens EDA Questa* Core software, designed specifically for Altera FPGA and CPLD devices. The Starter Edition is free and ideal for entry-level use, while the full Edition supports larger, more complex designs—up to 5,000 instances (excluding instances from precompiled libraries). Both editions support Quartus Prime (Lite, Standard, and Pro), HLS Compiler, oneAPI, and DSP Builder.