Trying to add R.exe to the PATH

Question

So I tried adding R to the path on windows 10 (that is supposedly easy).

System Properties -> Environment variables -> Edit -> new: copy and paste: "C:\Program Files\R\R-3.5.0\bin\x64"

Now the thing is, Powershell just refuses to start the R environment when I type in R. R.exe works apparently. Rgui works as well. Is R a reserved letter in powershell or something? It also seems to repeat the previous command sometimes but that doesn't really seem completely consistent either. (I put this entry on top of the list of the path and restarted the pc already)

Answer 1

when entering get-alias r I got the following result, so yes "r" is already taken ...

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Alias           r -> Invoke-History

PS: you could remove that alias with remove-item alias:\r from your current powershell session and test if "r" then starts "R.exe". if that works for you, you could edit your profile to remove the alias "r -> Invoke-History" from every new session.