https://www.cnet.com/news/at-e3-2018-pc-gamers-feel-like-they-need-their-own-show/

Even Microsoft, the company with the OS that powers the vast majority of computer gaming, gave PC games only a passing mention during its E3 press event, and even then, only in the context of games like Halo Ultimate and Gears of War 5 getting PC ports alongside the Xbox One versions. 

That's why I trekked across town to the historic Wiltern Theater, an art deco LA landmark. Despite being a good 15-minute drive away from E3 show, the 1,800-seat theater was about two-thirds full, impressive considering in previous years The PC Gaming Show was just a few blocks from the Convention Center.