on-premises software(в том же здании/помещении, где используется. Wiki: On-premises software (sometimes on-premise or abbreviated as "on-prem") is installed and runs on computers on the premises (in the building) of the person or organization using the software, rather than at a remote facility, such as at a server farm or cloud – somewhere on the Internet. On-premises software is sometimes referred to as "shrinkwrap" software, and off-premises software is commonly called "software as a service" or "computing in the cloud". wikipedia.org)
