Setting up WinAVR compiler in Microchip Studio 7.0

Microchip Studio (former name Atmel Studio 7) supports setting up and use different compilers through what they call "Flavours".

Add flavour in Atmels Studio Settings

1. Click Tools > Options...

2. Click Toolchain and in drop-down choose Atmel AVR 8-bit (CPP language)

3. Click Add Flower and add WinAVR with path C:\WinAVR-20100110\bin

Path may differ on your operating system.

4. Do step above as well for Atmel AVR 8-bit (C language)

Use flavour in a project

1. Go to the project Properties

2. Select Advanced and then in the drop-down Toolchain Flavour select WinAVR as shown in the screenshot below.