Proteus 8.1 Portable 64 Bit -

Proteus 8.1 is a powerful EDA software that offers a wide range of tools and features for designing and simulating electronic circuits. The software includes a schematic capture editor, a simulation engine, and a PCB layout editor. Proteus 8.1 supports a wide range of components, including microcontrollers, analog and digital ICs, and discrete components.