To prevent Microsoft from re-installing bloatware, these builds often have updates disabled. This can create security risks over time.
: This build significantly reduces background resource consumption. Official Microsoft data for the base 24H2 update already claims up to 25% lower CPU utilization 45.6% faster installation times Professional Features : Includes core Windows 11 Pro
: Drastically lower CPU process counts and RAM usage compared to standard Pro or Home editions. Efficiency on ARM windows 11 pro raven os ekstrim lite 24h2 26100 verified
⚠️ : Installation will typically wipe your hard drive clean . Always back up important files first.
Installing a custom OS requires a clean installation. Upgrading directly over your current installation is highly discouraged as it can lead to compatibility conflicts and system crashes. Official Microsoft data for the base 24H2 update
Before downloading any custom operating system, it is vital to understand what features are removed, how performance is impacted, and the security trade-offs you must make. Key Specifications Overview Standard Windows 11 Pro (24H2) Raven OS Ekstrim Lite 24H2 Microsoft Build 26100 Microsoft Build 26100 (Verified) ISO File Size ~5.5 GB to 6.2 GB ~1.6 GB to 2.0 GB Idle RAM Consumption 3.5 GB – 4.5 GB Less than 1.0 GB Disk Space Needed 20 GB – 30 GB minimum ~7 GB – 8 GB total TPM 2.0 / Secure Boot Strictly Enforced Fully Bypassed Telemetry & Tracking Active by Default Completely Disabled Core Features of Raven OS Ekstrim Lite 1. Extreme Debloating and Footprint Reduction
The verified tag gives peace of mind that the ISO hasn't been hijacked, but it does not guarantee safety from Microsoft's vulnerabilities or the inherent risks of a neutered operating system. When used correctly—on an isolated gaming SSD— is arguably the fastest way to run Windows 11 on unsupported hardware. Just don’t forget to bring your own antivirus and browser. Installing a custom OS requires a clean installation
[Microsoft Build 26100](https://blogs.windows.com/windows-insider/2026/04/17/releasing-windows-11-builds-26100-8313 and 26200.8313 to the-release-preview-channel/) Microsoft Build 26100 (Optimized) ~5.5 GB to 6.2 GB ~1.6 GB to 2.2 GB Idle RAM Usage 3.5 GB – 4.5 GB 1.0 GB – 1.5 GB TPM 2.0 / Secure Boot Strictly Required Completely Bypassed Telemetry & Tracking Enabled by Default Fully Disabled / Stripped Windows Component Store Intact (Component heavy) Aggressively Cleaned Key Features of Raven OS Ekstrim Lite 1. Extreme Debloating
The "Ekstrim Lite" designation signifies that this is a heavily stripped-down version. The primary goal is to create a version of Windows 11 that is incredibly lightweight and resource-friendly, tailored for users who value speed and efficiency above all else. It's a Windows ecosystem for power users, gamers with older hardware, and enthusiasts who want to run the latest operating system on machines it was never meant to support.
24H2 is a robust codebase, offering improved support for new hardware (especially AI-capable NPUs and modern storage solutions). Raven OS takes this robust base and makes it lightweight, balancing modern features with legacy-level speed. 3. Privacy-Focused
If you have an older PC that struggles with the 24H2 update requirements, or if you simply want a snappier, privacy-respecting operating system for gaming, Windows 11 Pro Raven OS Ekstrim Lite 24H2 is one of the best custom builds available. It proves that you don't need a supercomputer to run the latest Windows kernel.