Go to https://www.anaconda.com/download/ and Download Anaconda for Python 3.6 for your OS.
Step 1) Open the downloaded exe and click Next
Step 2) Accept the License Agreement
Step 3) Select Just Me and click Next
Step 4) Select Destination Folder and Click Next
Step 5) Click Install in next Screen
Step 6) Installation will begin
Once done, Anaconda will be installed.
Windows User
Step 1) Open the Anaconda command prompt
Step 2) In the command prompt
Enter the R install command
Environment will be determined
List of packages to be installed will be listed
Step 3) Enter y and hit the return key to start installation
Step 4) Installation will take time, and you will get done message.
Install Rstudio
Step 1) Enter command to install R Studio in the Anaconda prompt
Step 2) You will be shown a list of packages that will be installed. Enter y
Step 3) R Studio will be installed