AVR Studio 5:
- AVR Studio 5
Version 5 includes the Built-in C Compiler for its IDE. It means You no longer have to install a separate compiler or toolchain. AVR Studio 5 includes assembler, compiler, debugger and as well as simulator for your code. Just like MPlab IDE for PIC microcontrollers (if someone from Microchip PIC microcontroller background).
Here are the direct download links for both IDEs Setups , You need to get