How to create .Renviron file?

Question

I need to use my user defined folder where I stored my packages. I have referred the link given below.

R libraries installation

I have applied the same but i

Answer 1

On Mac The Renviron file is located in

/Library/Frameworks/R.framework/Versions/Current/Resources/etc/

Creating a .Renviron file in the User's home directory will not help.