Installation package r2excel R package - r

I would like to install the package r2excel.
Unfortunately, I can't do that because of my proxy.
So, I have to obtain r2excel.tar.gz to install my package.
Could you help me?
Of course I tried:
install.packages("devtools")
devtools::install_github("kassambara/r2excel")
library(r2excel)
but it isn't working as I said because of my proxy...
Thanks in advance!

If you're using RStudio,
Go to the Packages tab, click the Install button, and change "Install from:" to Package Archive File (.tgz; .tar.gz)

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see the ideas at
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Haven't been able to find much help through online resources.
Try remotes::install_version("rela", version="4.1") (you'll have to install.packages("remotes") first).
First, try to download one of the versions of the package: https://cran.r-project.org/src/contrib/Archive/rela/
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Here you can download the archived file:
https://cran.r-project.org/src/contrib/Archive/EcoSimR/
Save the EcoSimR_0.1.0.tar to your folder.
Got to Packages in RStudio and press install
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I install on my PC the folder of these two packages in zip version and load them in the relative folder of the package.
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first install rtools if it is not already installed go here and follow the instruction
update/install devtools if necessary as described here
using this command, it should work now. you may be asked to update some packages, accept all
devtools::install_github("cran/mvpart")

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I tried this procedure:
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as said here Manually Downloading and Installing Packages in R
But didnt work
Another procedure was: How to install development version of R packages github repository
As suggested at this link i had to install devtools from Hadley.
install.packages("devtools")
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install_github("ggplot2")
I did, and nothing happened.
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try this
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Below is the following command I am using
library(arules)
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pls. find below GUI - Screen for Rcmdr Package
Open RStudio.
Go to the “Packages” tab and click on “Install Packages”. The first time you’ll do this you’ll be prompted to choose a CRAN mirror. R will download all necessary files from the server you select here. Choose the location closest to you (probably “USA CA 1” or “USA CA 2”, which are housed at UC Berkeley and UCLA, respectively).
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If you want to install "arules" package, you may not be able to install it just using the code below.
<< install.packages("arules") >>
follow the steps in order to solve problem:
go to the package's address and download it manually.you will find it in the link below:
https://cran.r-project.org/web/packages/arules/index.html
If you are using R-Studio just install that package you have got, by "tools" menu in your IDE (R-studio)
Tools->Install packages->...
brows the file in your computer and install it.
go to the command line and using library(arules) function test the package. If there is still an error it could belong to incompatibility of the package with the version of R (Not R-Studio or any other IDE that you are using), just upgrade R and try installation period again.
I had a related problem where I could not install arules after being able to successfully install many libraries. I finally learned that I needed to update to 3.4 for arules. In order to do that, I followed duckmayr's answer HERE. Then, I was able to install arules with no issues, and it worked.

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