Microsoft Tunes Windows for Nvidia RTX Spark Laptops — SkimNews

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- Microsoft built a new "Get Started" flow for RTX Spark laptops that lets users find, install, and launch an AI agent in two clicks, with Hermes, Perplexity, and OpenClaw as the first three agents distributed through the Windows Store at launch; Meta's Muse is expected to follow later.
- Nvidia's RTX Spark laptops swap traditional x64 silicon for Arm-based chips paired with a Blackwell GPU and unified memory — a shift that forced Microsoft to retune its Prism emulator chip-by-chip because, per principal program manager Peter Dawoud, "emulation isn't generic."
- Microsoft optimized unified-memory behavior across RTX Spark, with its Surface Laptop Ultra supporting up to 128GB and a slider in Nvidia's Windows app that lets users manually rebalance how much memory is dedicated to the GPU versus the CPU on 24GB or 32GB configurations.
- Fortnite, Marvel Rivals, Arc Raiders, Counter-Strike 2, and Dota 2 are supported out of the box, but Call of Duty (Ricochet anti-cheat), Battlefield (Javelin), PUBG, and Riot's League of Legends/Valorant are pushed into 2027 as anti-cheat vendors race to certify on Windows on Arm.
- Copilot Plus PC features like Recall are notably absent from RTX Spark at launch and aren't expected for Windows Insiders until later this year, per Windows marketing senior director Adrienne Brewbaker.
- Hands-on testing surfaced rough edges: OpenClaw required an uninstall-and-reinstall cycle because the app kept reporting that its local gateway wasn't installed, and large local models still respond noticeably slower than cloud equivalents.
Why it matters: The RTX Spark rollout is launching with flagship AI-PC branding but missing two of its most anticipated pieces — Recall and anti-cheat support for top multiplayer games like Call of Duty and PUBG — which gives competing Arm-based Copilot Plus PCs a window where Microsoft's own first-party AI features aren't yet part of the pitch to RTX Spark buyers.
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