In the past ten months, I had failed to upgrade my older computer to Windows 10 numerous times.   Various google-searched solutions were tried but futile in the end.  The upgrade process always stopped at 20- or 70-somethings and reverted back to the original OS.  It was quite frustrating.

Last weekend, I was finally successful to upgrade the computer to Windows 10.  The optical drive was the key!   Continue reading →