How to Stop Steam From Launching at Startup Share May 20, 2020 Dm4r Technology Like many gaming apps, Steam will start automatically when you sign in to your computer. This can lead to clogged bandwidth, as games update automatically or appearing online when you don’t mean to. Steam’s auto-start is easy to quickly turn off. Read This Article on How-To Geek › Source : How to Stop Steam From Launching at Startup