For those having Wifi issues after the update to Creators edition, please use the following steps to resolve the issue.

In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results.

In Device Manager, select Network adapters > the network adapter name.

Press and hold (or right-click) the network adapter, and then select Properties.

In Properties, select the Driver tab, select Roll Back Driver, then follow the steps.

After rolling back to the previous version of the driver, select the Start button > Power > Restart. After the restart your wifi should be working again.