SAP Hybris commerce suite comes with .zip file which contains all the files required to work with Hybris
Before Hybris installation Requirements 
- If you do not have a JDK in system, download &  installed latest version of JDK 8.
 - Set your JAVA_HOME environment path of JDK
 - Download  and install Eclipse
 - Increase heap space in  your eclipse.ini file, replace -Xmx256m with -Xmx1024m
 
- Download hybris-commerce-suite.xxxx zip file from SAP Market place.  We have downloaded Hybris-1808 version.
 - unzip hybris-commerce-suite zip file in folder 
 - Open the file hybris-commerce-suite-xxxx.zip using your zip tool and unzip the folder 'hybris' to any directory. Example >  C:/hybris1808/ referred to below as YOURPATH.
 - The zip file will produce the sub-directory platform .