Failed to install "rcausal" on Windows 10

[Amin-Tajgardoon]

> version _
platform x86_64-w64-mingw32
arch x86_64
os mingw32
system x86_64, mingw32
status
major 3
minor 4.0
year 2017
month 04
day 21
svn rev 72570
language R
version.string R version 3.4.0 (2017-04-21) nickname You Stupid Darkness

> library(devtools) > install_github("bd2kccd/r-causal") Downloading GitHub repo bd2kccd/r-causal@master from URL https://api.github.com/repos/bd2kccd/r-causal/zipball/master Installing rcausal "C:/PROGRA~1/R/R-34~1.0/bin/x64/R" --no-site-file --no-environ --no-save --no-restore --quiet CMD INSTALL
"C:/Users/mot16/AppData/Local/Temp/RtmpUvrEdR/devtools20e8156b4ee8/bd2kccd-r-causal-481abd3"
--library="C:/Users/mot16/Documents/R/win-library/3.4" --install-tests

* installing source package 'rcausal' ... ** R ** data ** inst ** preparing package for lazy loading ** help *** installing help indices ** building package indices ** installing vignettes ** testing if installed package can be loaded *** arch - i386 Error: package or namespace load failed for 'rcausal': .onLoad failed in loadNamespace() for 'rJava', details: call: inDL(x, as.logical(local), as.logical(now), ...) error: unable to load shared object 'C:/Users/mot16/Documents/R/win-library/3.4/rJava/libs/i386/rJava.dll': LoadLibrary failure: %1 is not a valid Win32 application.

Error: loading failed Execution halted *** arch - x64 ERROR: loading failed for 'i386' * removing 'C:/Users/mot16/Documents/R/win-library/3.4/rcausal' Installation failed: Command failed (1)