Proteus 8.1 Portable 64 Bit 'link' -

: 64-bit Windows allows Proteus to use more than 4GB of RAM, strictly preventing crashes during massive 3D board renders or complex system simulations.

The crown jewel of Proteus. VSM allows you to simulate microcontrollers in real-time. You can write code in C or Assembly, load the HEX file, and watch the simulated LEDs blink, motors spin, or LCD screens display text. Supported families include: Proteus 8.1 Portable 64 Bit

The portable version of Proteus 8.1 is designed to be lightweight and easy to use, allowing users to run the software from a USB drive or other portable device. This makes it easy to take the software with you on the go, and use it on any computer without the need for installation. : 64-bit Windows allows Proteus to use more