Using my brand new DELL Inspiron 15 3542 for the 1st time, I was welcomed with a screen from Microsoft saying that: Yeah, Windows 10 is available today for Free. Yeah you can totally go for it. Yeah ....! And I did.

One thing that I had trouble with solving after the upgrade was that whenever I was right clicking on any icon in the taskbar I had one weird looking menu:

Searching around I found this forum that pointed me to the following answer: Remove the KB3072318 update responsible for a smooth upgrade transition from Windows 8.1 to 10 and problem gone.
Worked for me.