cannot install sf package ; Macbook Big Sur 11.4

[pubpolicy]

I was trying all day installing sf package to work on some maps but it is not working I deleted and re-installed R and RStudio ( installed the right R and R studio versions)

any help will be very much appreciated :

error message:

Warning in install.packages : downloaded length 42811451 != reported length 96526155 Warning in install.packages : URL 'https://cran.rstudio.com/bin/macosx/big-sur-arm64/contrib/4.2/sf_1.0-8.tgz': Timeout of 60 seconds was reached Error in download.file(url, destfile, method, mode = "wb", ...) : download from 'https://cran.rstudio.com/bin/macosx/big-sur-arm64/contrib/4.2/sf_1.0-8.tgz' failed Warning in install.packages : download of package ‘sf’ failed

[kadyb]

Timeout of 60 seconds was reached

There is a problem with the Internet connection or servers. Try to set up before downloading:

options(timeout = 600)