Install Atmel Studio
1
Run Installer

Go to the location where you downloaded the installer and run the installer:
as-installer-X.X.XXXX-full.exe.
Depending on your Windows security settings, you may get a window asking if you are sure you want to run this program. Click on Yes, if it prompts you.
3
Select the architecture(s) you plan to work with
- AVR® 8-bit MCU
- AVR 32-bit MCU
- SMART ARM MCU
Click Next.
4
Choose whether to install the Atmel Software Framework and Example Projects
The Atmel Software Famework provides:
- Common software framework for 8-bit AVR, 32-bit AVR and ARM
- Drivers for each MCU peripheral
- Hardware components driver
- Demo applications that use all drivers
- RTOS-ready source code
- Complete software framework in C code, optimization in assembly code
- Full projects compatible with GNU GCC
- Designed to run on Atmel evaluation kits and reference design and easily portable to any other hardware platform
- Designed to help develop software applications for Atmel microcontrollers
See the online documentation for more details.
Click Next.