Always run Proteus as an Administrator to ensure it has the permissions to read the license key and internal databases.
Click and choose the installation path (default is C:\Program Files (x86)\Arduino ). Proteus 8.9 Sp2 Professional With Arduino 1.8 Free --INSTALL
— An unauthorized installer can open backdoor access to your computer, allowing attackers to control your system remotely, use it in botnets, or steal intellectual property. Always run Proteus as an Administrator to ensure
Click the button located at the bottom left corner of the Proteus interface. use it in botnets