- Delete everything out of C:\Windows\SoftwareDistribution\Download
- In Windows Updates, Click to search for updates, leave the window open but dont hit search yet
- Open command prompt as Admin and type "wuauclt.exe /updatenow" but DONT HIT ENTER
- In Windows Update, Click to search
- While it is searching hit enter on the command prompt
- You're now downloading W10
This is so you can force the update if your wave has been selected yet.