The installer will usually prompt you to install the Microsoft Visual Studio 2010 Isolated Shell. Step 3: Optimization Tips To get that "extra quality" performance:
Stable installers were historically released as both small (web) and full (offline) versions. The offline installer is preferred for reliability. AVR Studio 5.1 Full Installer Readme (Official) . Key Features of Version 5.1 AVR® and SAM MCU Downloads Archive avr studio 51 download extra quality
If you are maintaining a 5-10 year old product line or learning AVR assembly basics, is superior. If working with new AVRs (like the 0-series or DA/DB), migrate to Microchip Studio. The installer will usually prompt you to install