SolidWorks 2016 is already outdated (current versions are 2023–2025). An activated pirated copy cannot receive security patches, service packs, or bug fixes. You’ll be stuck with known vulnerabilities.
After installation, you must activate the software to use it beyond the 30-day grace period. SOLIDWORKS 2016 SP5 Release Notes solidsquad+solidworks+2016+activator+new+download