SAP Netweaver Developer Studio 7.31 Version Download Site

You can download SAP Netweaver Developer Studio 7.31 Version by clicking this link to get a ready-to-use NWDS 7..31 Version .


For NWDS 7.30 version:
https://nwds.sap.com/swdc/downloads/updates/netweaver/nwds/nw/730/doc/installation.html

You can do download NWDS 7.31 upgrade contents from SAP Marketplace:

SAP SWDC -> Support Packages and Patches -> A-Z Index -> N -> SAP Netweaver -> SAP EHP1 For SAP Netweaver 7.3 -> Entry by Component -> NWDS Update Site Standalone