The 9.1 release builds on the foundational performance improvements of Proteus 9, adding specialized tools for both industry professionals and educational users:
The new framework fully supports international character sets. Downloading and Licensing proteus 91 exclusive download
Official downloads should always be sourced from the developer, , to ensure software integrity and access to technical support. Proteus: PCB Design and Circuit Simulator Software proteus 91 exclusive download
New Design Rule Checks (DRC) for silkscreen have been added, specifically Silk–Silk (flagging overlaps) and Silk–Resist (checking against solder mask openings) to prevent manufacturing rejections. proteus 91 exclusive download