There is no such thing as the perfect application

The Steam Client Bootstrapper is an essential part of the Steam Client. The Steam Client is the software front-end for the Steam online video game store. So if you see a process called the Steam Client Bootstrapper and are worried that it might be malicious, read on to have all of your most pressing concerns addressed.

Steam is an online digital video game store. If you use your computer for video games, chances are you have the Steam software installed on your system. Steam is simply the software that allows you to browse, purchase, download, and play games on your PC. However, it is a complex piece of software with a lot of moving parts. Some of those moving parts appear in your task manager, right next to the main Steam program.

If you don't know what it is, it might seem a little strange to see a program called the "Steam Client Bootstrapper". The name refers to a slightly obscure concept in programming. So it's not the most user-friendly name.