To install an MSU file, all you need to do is double-click the file. msu file by extracting it manually or using the 7-Zip utility. For example, this file contains the title of the associated article in the Microsoft Knowledge Base, KB Article Number, Language, Package Type (e.g., Security Update), and Architecture information. A properties file: This file contains string properties that Wusa.exe uses.xml file when you perform an unattended installation of the update by using the Package Manager tool (Pkgmgr.exe). Windows Update metadata: Describes each update package that the.

Windows Update Standalone Installer (.msu file) is a container that encloses the following items: One is the “Windows Update Standalone Package” format (.msu extension), and the other, the Cabinet file (.cab) format.MSU Files Windows Update packages can come in two formats. Windows Update packages downloaded from the Microsoft Update Catalog can be used on standalone systems as well. The Microsoft Update Catalog provides updates, including drivers, that are for distribution across a network. In either case, tech support personnel might advise you to download the update offline via the Microsoft Update Catalog and install it.

Windows updates standalone installer