This update makes improvements to ease the installation experience when updating to Windows 10, version 1903.
How to get this update
This update is available through Windows Update. It will be downloaded and installed automatically.
There are no prerequisites to apply this update.
You don't have to restart your computer after you apply this update.
Update replacement information
This update replaces the previously released update KB 4517388.
Learn about the terminology that Microsoft uses to describe software updates.