How to find ORACLE_HOME in Windows directory?

Step 1:- Go to Command promt and connect as sysdba using sqlplus.

sqlplus / as sysdba

Step 2:- There is a stored procedure to get the Oracle home from the database server.

SQL > var home varchar2(100);

SQL > EXEC dbms_system.get_env('ORACLE_HOME', :home ) ;

SQL > PRINT home 

Output should be as below.

Thank You !!!