Hello,
Try using the Media Creation tool.
Microsoft provides many options to get the latest feature upgrade manually. You can use any of:
Upgrade assistant
Media Creation Tool
ISO File
to get Fall Creators update right now.
You can use the following guide having detailed Instructions on how to upgrade to the latest Feature upgrade i.e. Fall Creators update using all the three methods:
How to upgrade to Windows 10 Fall Creators update right now
http://www.yourwindowsguide.com/2017/10/upgrade...
Media Creation tool has an Edge over the Upgrade assistant in my opinion as it offers a greater degree of flexibility of downloading and using the ISO file so that one can deploy it on multiple computers.