Step 1 :
First we need to go the below link
There will get multiple option like Mac , Windows , Linux Choose download Option based on your system configuration.
Some of the system does not have preinstalled java ,so we need to download the java support exe (JDK , JRE )
JDK/JRE download Link :
Once download we need to set up the both the software so double click the downloaded android studio and java. Then will get the installation setup. Then we need the set up the path for java in environment variable like new path