Third-party applications and systems installation methods

One kind of third-party application installation method, comprising: obtaining a user request to install third-party applications; libraries to initiate the third party application configuration file request to obtain configuration information of the third party application; determined according to the local configuration information the existence of the third-party application resource file, and if so, install the third-party applications based on local resource file. The method of mounting the above-described third-party application, specify the installation by the user from the application repository acquiring the configuration information of the third party application, according to configuration information resource file is determined whether the third party application exist locally, and if yes, the installation according to the local resource file third-party applications, avoid unnecessary downloads, saving users time, while the installation process does not require user involvement, thereby improving the operating convenience for the user. In addition, to provide a third-party application to install the system.