Microsoft’s large focus for Windows is AI integration. Meanwhile, Valve has been not-so-quietly pilfering all the PC gaming ecosystem from Microsoft, turning the Linux-based SteamOS into an actual competitor to Windows. In a couple of years, gaming laptops could run SteamOS as a substitute of Windows. And Microsoft has nobody guilty however itself.
Valve’s large PC gaming push is larger than the Steam Deck handheld, with a brand new Steam Machine lounge PC. PC gaming — even PC video games designed and written initially for Windows — is now a lot greater than Windows.
Surprise, Microsoft: While you have been targeted on Xbox consoles and cloud gaming, Valve stole your crown jewel.
Valve began its push with SteamOS again in 2013
For years, PC gaming has been one of many large causes to make use of a Windows PC. Let’s be sincere: Apple by no means took gaming critically on Macs. Google wasn’t a lot better, both: The Steam for Chromebooks experience is about to be axed. Microsoft poured a lot vitality into Xbox consoles as a separate platform from Windows.
Valve’s first large try to decouple PC gaming from Windows was the unique model of its Linux-based SteamOS working system, launched again in 2013. A wave of Steam Machine lounge consoles from companions adopted shortly thereafter. SteamOS launched within the period of Windows 8, when it regarded like Windows would possibly develop into a locked-down, iPad-style working system with a deal with contact screens, blocking Valve from providing Steam on Windows. (Steam by no means ran on the Arm-based Windows RT. Only Microsoft’s personal desktop apps, like Microsoft Office, ran on that platform.)
Asus/Valve
Valve ported its personal video games — Half-Life 2, Portal, and all that good things — to Linux, and Valve’s focus was on convincing sport builders to port their video games to Linux.
In 2013, SteamOS didn’t take off. People didn’t need to purchase Steam Machine PCs from companions, and most sport builders didn’t need to make investments sources in porting their video games to an working system few individuals have been utilizing. But SteamOS helped enhance the business strain on Microsoft, and the corporate was pressured to pivot and preserve Windows an “open” working system that wasn’t locked to its personal Store, like Windows RT was. Microsoft discontinued Windows RT.
But, whereas Steam Machines vanished from the cabinets and Microsoft gave the impression to be enjoying ball with Windows, Valve saved Steam engaged on Linux. And Valve had a greater plan up its sleeves.
Valve’s Proton modified the entire business
The sport changer was Valve’s Proton compatibility layer, initially launched in 2018. It’s software program constructed into Steam that allows you to run Windows video games on SteamOS and different Linux-based working methods. Proton is predicated on Wine, a Windows compatibility layer for Linux and macOS that has been round for many years.
Proton was intriguing on the time, however the preliminary model wasn’t earth-shattering. I’ve been utilizing Wine because the early 2000s, and it’s all the time been flaky. Lots of corporations have dabbled with Wine, however Valve put in critical effort and caught with it.

Chris Hoffman / Foundry
Proton saved enhancing, and Valve launched the SteamOS-based handheld Steam Deck in 2022. To run on the Steam Deck, sport builders wanted their Windows video games to carry out effectively in Valve’s Proton atmosphere on Linux. Now, nearly all of video games in my Steam library run on Linux. It’s computerized, and I don’t must tweak something.
PC video games usually run higher on Linux than Windows
The business tends to gloss over how loopy that is: Most Windows PC video games now run on Linux, and the most important identify in PC gaming is pushing Linux as a substitute for Windows! Microsoft by no means anticipated this. And erstwhile Linux customers like myself by no means anticipated Wine would develop into this usable.
Benchmarks now present that PC games often perform better on SteamOS than Windows 11. I’ve skilled comparable outcomes once I use a handheld Windows PC just like the Lenovo Legion Go S alongside my Steam Deck. I reviewed the Lenovo Legion Go 2, and Windows actually held it again. Microsoft is struggling to meet up with Valve, scrambling to launch a full-screen Xbox gaming experience optimized for handheld PCs in Windows.
PC gaming is now greater than Windows
The secret to success is commonly simply persistence. As of 2022, Valve was immediately paying greater than 100 open-source builders to work on Proton and different important components of the Linux-based SteamOS working system, as Valve’s Pierre-Loup Griffais told The Verge. While Microsoft was testing a crypto wallet for Edge, getting enthusiastic about the metaverse, and pivoting to AI, Valve was placing critical work into SteamOS as a gaming platform.
Anti-cheat software program is without doubt one of the final strengths of Windows. Many multiplayer video games demand kernel-level entry to dam dishonest software program. Proton can’t enable this, however sport builders usually need to help the Steam Deck, and Proton already helps anti-cheat software program like Easy Anti-Cheat and BattlEye.

Chris Hoffman / Foundry
Plus, let’s be sincere: Lots of players don’t need anti-cheat software program to have deep entry to their PCs, anyway. These applications perform so much like a rootkit, and Steam now requires developers disclose this on their store pages. If SteamOS doesn’t help this, which may be a bonus, even when it could’t run each sport.
But, apart from that, Valve has made large inroads. While Microsoft has been targeted elsewhere, a lot of the PC gaming ecosystem has develop into moveable — one thing that may transfer between PCs working Windows, SteamOS, and different Linux distributions.
The future: SteamOS for greater than gaming?
SteamOS is a Linux-based working system. While Valve has targeted on the Big Picture expertise for handheld PCs and the forthcoming Steam Machine {hardware}, you should utilize SteamOS as a desktop working system right this moment.
Valve will get to piggyback on the entire desktop Linux ecosystem, which is surprisingly mature nowadays. SteamOS has a desktop atmosphere working KDE Plasma, and you’ll go away the Steam interface and use it as a desktop PC to run Linux software program, together with net browsers like Firefox and Chrome. You can set up it on a gaming PC, if you’d like. You may even use the Steam Deck as a desktop PC with a dock.

Chris Hoffman / Foundry
When Valve’s new Steam Machine launches in 2026, I wager a number of persons are going to make use of the desktop atmosphere to get a Linux-based desktop expertise on their TVs.
The future may contain laptops and desktop PCs working SteamOS — why not? You can already set up them on a desktop PC right this moment! Microsoft is much less invested in native Windows apps and extra invested in cross-platform net apps, anyway.
PC gaming was one among Microsoft’s large moats — the explanation you picked Windows is as a result of it was appropriate along with your {hardware} and will run all these PC video games, even if you happen to have been eager about Linux. Windows is about to lose that benefit. And PC manufacturers are beginning to install SteamOS on their own devices.
SteamOS is able to compete on Arm PCs, too
Valve is even prepared for PCs with Arm processors as a substitute of conventional x86 ones from Intel or AMD. Valve’s Steam Frame is the primary Arm PC that can run SteamOS, and it occurs to be a standalone VR headset. Valve has been funding the Fex emulator, and SteamOS gadgets working on Arm {hardware} could have a model of Proton with a built-in Fex emulator to run Windows PC video games written for conventional x86 CPUs on Arm-based variations of Linux.
As Valve’s Griffais recently said:
“In 2016, 2017, there was always an idea we would end up wanting to [run PC games on Arm hardware], and that’s when the Fex compatibility layer was started, because we knew there was close to a decade of work needed before it would be robust enough people could rely on it for their libraries.”
Valve is forward on gaming handhelds, and now Windows vs. SteamOS looks like the next great console war.
At this level, Microsoft can’t put the genie again within the bottle. Microsoft may get critical about gaming on Windows, enhancing the hand held gaming expertise, boosting performance, and turning the next Xbox into a PC that may run PC video games from Steam. Microsoft can be competing with Valve both manner. Windows is not the one selection for PC gaming. It’s humorous: Windows 8 appeared designed to cement Microsoft’s maintain on Windows as an utility platform, and now Microsoft has much less management of it than ever.
