# Roon Nucleus I need an original operating system **URL:** \ **Category:** Nucleus Support\ **Created:** [March 29, 2023, 8:46pm UTC](https://community.roonlabs.com/t/roon-nucleus-i-need-an-original-operating-system/238576 "2023-03-29T20:46:17Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Suedkiez](https://community.roonlabs.com/user_avatar/community.roonlabs.com/suedkiez/32/107321_2.png) [@Suedkiez](https://community.roonlabs.com/u/Suedkiez)\ **Post date:** [March 29, 2023, 8:57pm UTC](https://community.roonlabs.com/t/roon-nucleus-i-need-an-original-operating-system/238576/2 "2023-03-29T20:57:07Z")
Roon OS version 1.0 (build 254) is the latest version of Roon OS. This is fine. It is the basic operating system and changes rarely. This version was released on November 9, 2022: > [@RoonOS (Nucleus / ROCK) build 254 production is live!](https://community.roonlabs.com/t/roonos-nucleus-rock-build-254-production-is-live/221731/): > > Hi Everyone, It’s been a while since we’ve issued an update for RoonOS and we have a major change along with some minor fixes which do need to be released. The largest change in this build is support for booting via UEFI which is especially important as Intel phases out NUCs with legacy boot options. Taking this release as an update will not change your device to UEFI boot or require any other intervention. This change will only apply to new installations. There is no practical (or audible) r… The Roon (Server) version on the Nucleus should be version 2.0 (build 1234), and this is the more relevant one. Does it show this when you check in the Settings under About in your app? If yes, everything is OK. If you are experiencing any problems, please let us know what they are. EDIT: See the good point by @bearFNF in the post below regarding the switching to Nucleus --- _[View the full topic](https://community.roonlabs.com/t/roon-nucleus-i-need-an-original-operating-system/238576)._