If you're not ready to start using the Windows 10 Spring Creators Update, there are a few ways to delay the new version temporarily.
The Windows 10 Spring Creators Update (version 1803) is scheduled to arrive in April, and during the next several months the Microsoft servers will be busier than usual delivering the new major update to millions of compatible devices.
The update will be slowly rolled out, initially targeting newer devices and then slowly expanding to older and untested Windows computers. This is to ensure a smooth roll-out, and to take care of any showstopper bugs before they reach too many PCs. If you're not ready to deal with a major update, or just want to wait for a while, there are a few ways to delay the Windows 10 Spring Creators Update while still receiving maintenance updates.
Full story from the WindowsCentral blog...