Microsoft is now testing Windows 10 build 17131 internally. The new Windows 10 build 17131 (10.0.17131.1 rs4_prerelease.180321-1222) was compiled on March 21, 2018. We are now getting closer to RTM build and the final build is expected to roll out soon.
Windows 10 Spring Update preview build 17128 is now available for Insiders which comes with Cortana improvements. Cortana Show Me app is also now available for download. This preview app will show you how to change settings step-by-step.
In this release, you can launch guides directly from the app homepage. For Insiders, the app is available in English (US and UK) and in German. In addition, the watermark at the lower right-hand corner of the desktop is now removed.
Windows 10 build 17128 ISO images are also now available for download. You can download it from the link below. The final Windows 10 Spring Update will release in April for everyone.