Most "free" versions include a "pre-cracked" state, but for licensed users, setting up the interface in Chinese is a matter of applying a language pack.
Before you start the installation process, ensure your system meets the following requirements: Proteus 8.9 Sp2 Professional With Arduino 1.8 Free --INSTALL
Open Arduino 1.8, write your sketch, and click Verify/Compile . Most "free" versions include a "pre-cracked" state, but
Allows you to pause, step through code, and monitor register values during simulation. Step-by-Step Installation & Integration Guide but for licensed users
Modern versions of Proteus (including 8.9 SP2) often include Arduino models natively. Before manually adding libraries, check if they are already present: