Hi,
Please be noted, now current version of SAP net weaver is 470.
Please do some more reached before following a single document.
Because the link provided by swadhin ghatuary is for 700 version.and there is a big gap between 700 to 740.
Go through some link, which provide more details about each and every version changes.
SAP NetWeaver – SAP Help Portal Page
Regards,
Praveer