An act of installing.

plural of installation

Of or pertaining to installation.

(transitive) To connect, set up or prepare something for use. / (transitive) To admit formally into an office, rank or position. / (transitive) To establish or settle in.

(computing) Installer. A software utility that installs an application. / (informal) An installation. (Usage originated as a truncated form of the word installation.)

simple past tense and past participle of install / (literally) / (of computer software) / put into position / placed

(transitive, dated) Alternative spelling of install / (Britain, rare) To pay by instalments.

One of a series of parts, whether equal or unequal to the other parts of the series, of a given entity or a given process, which part presents or is presented at a particular scheduled interval.

The act of installing; installation. / (obsolete) The seat in which one is placed.

(Australia, Britain, Canada) Alternative spelling of installment