Proteus 8.17 is the latest major release of the Labcenter Electronics design suite, used for schematic capture and PCB layout.

If you are a student, check if your university provides a lab license or if you qualify for a discounted educational version.

Temporarily disable Windows Defender or any third-party antivirus. Crack files are often flagged as "HackTool" or "RiskWare" because they modify executable memory. This is a (more on that later).