is a custom, heavily debloated version of Windows 11 (23H2 Moment 5) created by the developer FBConan . It is designed to maximize performance and privacy while providing a highly aesthetic, semi-transparent user interface . Key Features and Improvements
: The build is designed to use as little as 5 GB of storage space .
: It removes extensive bloatware and pauses automatic updates by default to prevent background service interruptions .
If you plan to install this build, tell me more about your goals so I can provide specific guidance: What are the of your target machine? windows xlite ultimate 11 cobalt v2 fbconan portable
Before focusing on Cobalt v2, it's essential to understand where this version sits within the Windows X-Lite lineup.
Driven by a vision of a "reimagined" Windows, he retreated to his clean, safe lab to forge something different. He began with the bones of Windows 11 23H2—the modern standard—and began a surgical operation. He stripped away the heavy layers of Cortana, OneDrive, and forced Microsoft accounts until the entire system weighed only 5 GB.
FbConan is known for being ruthless. The Windows Store, Cortana, Xbox services, and Maps are often completely removed or disabled. This isn't just hiding icons; the underlying services are gone, freeing up system resources. is a custom, heavily debloated version of Windows
As a secondary "tinkering" OS booted from a USB stick (Portable mode), Cobalt v2 is exhilarating. As a daily driver for a work PC, it is a security nightmare.
: While the creator (FBConan) maintains a reputation for "clean" builds without toolkits or activators, users should always exercise caution with custom ISOs as they are not official Microsoft products .
He didn't need to shut down. With Cobalt V2’s optimized write-caching, he simply yanked the blue drive from the port. The laptop screen went black instantly. By the time the Enforcers kicked in the door, Elias was already out the back window, the entire power of a stripped-down, high-performance workstation sitting safely in his pocket. : It removes extensive bloatware and pauses automatic
While not "portable" in the sense of running off a USB stick without installation, it is designed for (like older laptops or "dumb terminals") where standard Windows 11 would fail.
Do you need instructions on using tools like Rufus? I can tailor the exact technical steps to match your goal. Share public link
On a test system with 4GB RAM and a 2nd-gen Intel Core i5 (no TPM 2.0, no Secure Boot), Windows XLite Ultimate 11 Cobalt v2 achieves: