Windows 10 Build 10.0.16288 Changelog:
Build 16288 was the 19th Insider Preview build of Windows 10 released after Creators Update build 15063 (RedStone 2). It was released on September 12, 2017. This new build arrived via new "RS3" (RedStone3) development branch.
No watermark/build number on Desktop
Bug fixes and general improvements