or tech·ni·cal sup·port
[tek suh-pawrt or tek-ni-kuh l suh-pawrt; ‐pohrt]
an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
Origin of tech support
First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019