The following tutorial contains instructions and a video walk through for installing R, RStudio, and the tidyverse – an R verse consisting of a few packages that ease data importation, management (including dates and categorical variables), wrangling, and visualization.
You can find R from here by navigating in accordance with your operating system. If you work on a Mac, be careful about the different versions that depend on the underlying hardward [Apple Silicon (ARM64) versus Intel Macs] Link
If you skip the above step, the download page for RStudio will remind you that you RStudio requires R. The download page can be found here.