Windows 10 has the ability of limiting the potential of exceeding monthly internet data allowances. While this is important when using mobile data (phone, tablet, mobile Wi-Fi), it may be less important on a home or corporate internet connection (unless you have a low data allowance plan).
The following steps will assist you in ensuring that when using an internet connection that provides a lot or unlimited monthly data, that your updates for Windows 10 will automatically occur.
Open "Settings" by clicking onto "Notification Centre" and then "All Settings"
Click onto "Network and Internet"
Click onto "Advanced Options"
Under "Metered Connections" set the slider to "Off"
Repeat the above steps to turn "Metered connection" on when you are using a metered connection like a mobile device hotspot or restricted data connection.