Here are a few tips and tricks for using Avogadro-1.2.0n-win64.exe:
You aren't installing software. You’re stepping into a world where you are 6.022 x 10²³ times larger than the things you're about to play with. avogadro-1.2.0n-win64.exe
Note that Avogadro has moved toward version 2.0.0 (Avogadro2), which offers better performance and modern rendering. Avogadro — Avogadro 2.0.0 documentation Here are a few tips and tricks for using Avogadro-1