The built-in GCC is old (4.6.2). For "extra quality" compilation, you can swap in a newer AVR-GCC (8.3.0) by replacing the toolchain folder. Backup the original first.
: The installer will automatically check for and install necessary components like .NET Framework 4.0 and Visual Studio Isolated Shell 2010 if they are missing. avr studio 51 download extra quality
: Windows XP (SP3), Vista, 7, and Windows Server 2003 R2. Processor : 1.6 GHz or faster. The built-in GCC is old (4
Version 5.1 was known for being somewhat "buggy" and slow. avr studio 51 download extra quality