With Windows 10, system updates will now occur regularly in the background.
Like Gmail or Facebook, these updates will beautomatic and mandatory.
If you want to attempt to delay these updates, unlock the Metered connection option in configs.
Generally speaking, automatic updates are a pretty good idea.
If you would rather have more of a say in this process, you could enable Metered connection.
By enabling Metered connection, Microsoft will respect that by waiting to force a download.
fire up the toggle under Metered connection.
The one major downside to this method is that it only works if your gear is connected via Wi-Fi.
However, this should help many typical users.
Guiding Tech has a few more suggestions on how to delay updates at the source link below.
How to Delay and Block Mandatory Software Updates in Windows 10| Guiding Tech
