Application installation is the process of adding software programs to a computer or mobile device. This typically involves downloading the application from the internet or inserting a physical media, like a CD or USB drive. Once the installation file is accessed, users follow prompts to complete the setup, which may include agreeing to terms and conditions and selecting installation preferences. After installation, the application becomes part of the device's software ecosystem, allowing users to access its features and functionalities. Users can usually find the newly installed application in their device's application menu or home screen, ready for use.