I do not know who has been using that term. It has never been stated in any trade publications that I read all of the time.

In my 38 years of working on computers, not once has the word "Daily...

I would have to say the same thing. The three of us in my household each have laptops, tablets (2 Android, one iPad) and iPhones. I guess if you really wanted to get technical. My Cisco Gateway...

I just call mine a Laptop. When I worked, called it a Work Station. Usually Daily Driver is a term used by Car Buffs. Never have I heard of that term used in the 38 years I have been around...

Nerd talk for main OS. I have never seen or used that term before the OP stated.

As for the question to the OP. Everything may stay, it may not with the upgrade to Windows 10. Suggest you make...