The installer cannot install just part of a component. A drive-by install (or installation) is a similar event. Later versions added the ability for users to manually install Android app packages. On the first install, Windows will refuse to activate. With S Mode, users may only install software from Windows Store. Users can install plugins via the Plugin Manager. There are several ways to install a Linux distribution. Nginx also has a reputation of being harder to install and configure than Apache. Users then must install iTunes and connect the iPod through a USB port. Thus, a user wishing to use it must install additional software. Application updates automatically install from the Mac App Store. They found zero day vulnerabilities that allowed them to install new firmware. An attacker can then install surveillance software remotely. There is no need for special privileges to install software in NixOS. The system is difficult to install and maintain.