If you are interested in performing your own PC build, this simulator may be of help to you. The PC Building Simulator is currently in pre-alpha stage of development (which is in the super early stage of development prior to actual public release). You can watch the video to see a demo of this in action or can actually download it (and learn more) from the source link below.
Practice your dream build with PC Building Simulator! Available for Windows, macOS, Linux
Source: PC Building Simulator by McINTYRE