- Make sure you are receiving updates automatically.
- Delete all files and folders under folder C:\Windows\SoftwareDistribution\Download
- Open Command Prompt (cmd.exe) and run as administrator: wuauclt.exe /updatenow
- Download starts and leads to Windows 10 install. Be sure to back up your PC beforehand!
Remember that you are upgrading at your own risk!
Acer W4-820 upgraded from
Windows 8.1 to Windows 10