If everything is going according to plan, this will be the build that Microsoft will be pushing security and performance update during the lifecycle of version 1803. The report also notes that Windows 10 build 17133 is expected to become available in the Fast ring during the last week of March. Days after, it’ll appear in the Slow ring, and then it should also become available in the Release Preview ring too. In the case there are bugs or unknown issues after releasing build 17133, Microsoft will be addressing these issues through quality update slightly incrementing the build number. For example, build 17133.10, 17133.15, etc. According to the same report, Microsoft plans to officially launch the Windows 10 Spring Creators (version 1803) on April 10, which happens to be a Patch Tuesday schedule. Similar to previous releases, the company will start rolling version 1803 to slowly updating newer devices known to work this Spring Creators Update first, and then it’ll continue to update other devices. You can check everything that’s coming with the Spring Creators Update in this guide. In addition, you can check the best features, and those hidden gems coming with the update this spring to Windows 10. Update March 27, 2018: Microsoft is now making available Windows 10 build 17133 in the Fast ring. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.