Why is there a WeChat installation package in the mobile phone?

To install software, you must first have an installation package. After installing the software, the installation package is still in the phone.

An installation package is a collection of self-decompressible files, including all files for software installation.

Running this installation package (executable file) can release all the files of this software to the hard disk, complete modifications to the registry, modify system settings, create shortcuts, etc. Most installation package files are in exe format.

After a software is compressed into an installation package, it can be installed on any computer that meets the requirements and registered in the registry. Most of the online games, software, and software in CDs are installation packages.

WeChat is a free application launched by Tencent on January 21, 2011 to provide instant messaging services for smart terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.

WeChat supports cross-communication operators and cross-operating system platforms to quickly send free (a small amount of network traffic is required) voice text messages, videos, pictures and text through the network.

At the same time, you can also use *** to share streaming media content and location-based social plug-ins "Shake", "Moments", "Public Platform", "Voice Notes", etc. Service plugin.