This is the biggest elephant in the room. Most of these builds strip out Windows Defender. While this improves performance, it leaves the machine naked against malware. Furthermore, because you are downloading a .7z file from an unverified third party (FBConan), you are placing immense trust in that individual not to have embedded a rootkit or crypto-miner in the system files.
: Most telemetry and tracking services are disabled by default. It also pauses automatic Windows updates, giving the user more control over when to patch the system. W11-X-Lite-22621-1992-Optimum11-V3-FBConan-.7z
: Most "X-Lite" builds remove Windows Defender and Windows Update by default. You are responsible for your own antivirus and manual driver management. This is the biggest elephant in the room
Beyond speed, these custom builds address growing concerns over digital privacy. By disabling or removing integrated tracking services and forced updates, the Optimum11 build grants the user a level of sovereignty over their hardware that is often missing in the official Microsoft release. This is particularly appealing to power users who prefer to manage their own security and updates manually. Risks and Considerations Furthermore, because you are downloading a
: Designed to "bring older laptops or entry-level desktops back to life" that might struggle with the standard Windows 11 load. Critical Security and Stability Warning