I want to use Greengenes2 for V3-V4 regions, I need to know where to start from and what process to follow

[jphagen (Johannah Hagen)]

Hi @Devika_Kaliana,
Welcome to the forum!
The best place to start is by searching the forum for a similar question. There are many that I think will be useful to you.
This forum post form the developer is a great place to get working from.
-Hannah