Make sure that you have also installed "RStudio", it provides a UI interface to R. If you have only downloaded and using R then you will only see the console window.
For Linux kindly refer to - https://spoken-tutorial.org/watch/R/Installing+R+and+RStudio+on+Linux/English/
For Windows kindly refer to - https://spoken-tutorial.org/watch/R/Installing+R+and+RStudio+on+Windows/English/
When you open the RStudio for the very first time on your machine, it does not show the Source window by default. To open the Source window, please press Ctrl + Shift + N together.
yaa i have Rstudio as well version184.108.40.206