2.1.4 Installing and updating software system (Diagonostic Program) that is used to install the system so that your computer can contact and use various devices to be installed system.
2.1.4 Install and Upgrade (Diagonostic Program) software is used to install the system. So that the computer can connect and use devices that are used to install them.
2.1.4. Installation and update system (Diagonostic Program) is a software used in the system installed. So that the computer can contact and use other equipment used system.