Are you tried to upgrade windows10 directly from the windows update reservation method and it went unsuccessful? Windows update process always starts again from 0% when some error occurred at the time of download or at the time of installation. It is really annoying isn’t it!
So, Downloading the windows 10 and install it via USB is the best option. Follow the below steps to install it quickly.
1. Download the media creation tool for windows 10 from here. 64 bit version click here or 32bit system version Click here. or Check this microsoft page directly. To check the 32 or 64 bit, Type “msinfo32” in the run and see the system type.