"httpuv" "later" for "shiny" package installation problem

[ray-najjar]

"httpuv" needs to be installed manually
httpuv_1.4.5.zip

"later" needs to be v.0.7.3 for "shiny" package to load it.
"later" package requires installing R v 3.5.1

R can be updated using the intallr package in windows:

installing/loading the latest installr package:

install.packages("installr"); library(installr) # install+load installr
updateR() # updating R.

once R version 3.5.1 is installed then update "later" package.
then install "shiny"