A free app for Android, by Kunhar Games.

In this PC-building simulator, you can assemble your home PC from scratch, or you can choose to repair an already assembled PC. In either case, you will be able to assemble the components in the correct order and install all the software and hardware. You will also get step-by-step instructions so that you can learn how to assemble your PC. 

Assembling a home PC involves installing the operating system, software, and other components. To install a component, you need to go to the corresponding section in the installation guide and follow the instructions. You will get all the necessary information about the component and how to install it.