[R] Help with packages

[Alejandro Cayetano Casella]

Hi, I want to download the packages into R in my personal computer  and
this is what appears on the screen:
> utils:::menuInstallPkgs()
Warning in install.packages(NULL, .libPaths()[1L], dependencies = NA, type
= type) :
  'lib = "C:/Program Files/R/R-3.4.0/library"' is not writable
Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type =
type) :
  unable to create ‘C:\Users\Alejandro\Documents/R/win-library/3.4’
In addition: Warning message:
In dir.create(userdir, recursive = TRUE) :
  cannot create dir 'C:\Users\Alejandro\Documents\R\win-library', reason
'No such file or directory'

Can you help me?
Thank you.

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