You can install SAP HANA studio on Linux platform without Root user. In Windows platform, you can perform the installation without administration rights but it will be available only to the user who has installed it.
Default Location on Window Platform: C:\Program Files\sap\hdbstudio
Default installation Location under MAC OS: /Applications/sap/hdbstudio (old) or /Applications/sap/hdbstudio.app (new)
Default installation Linux x86 64 bit: /usr/sap/hdbstudio