Proteus 8.9 does not include Arduino boards out of the box. You need to add third-party library files ( .IDX and .LIB ). Download a free Proteus Arduino Library pack online. Copy the downloaded .IDX and .LIB files.
You will find many forums, torrent sites, and YouTube videos offering "cracked" or "patched" versions of Proteus 8.9 SP2 Professional. for several reasons: proteus 8.9 sp2 professional with arduino 1.8 free
Proteus Design Suite, developed by Labcenter Electronics, is an industry-leading software package for electronic design automation (EDA). Version is a particularly mature release, known for its stability and feature-rich environment. It combines: Proteus 8