Re: Skype account
I was annoyed when MS killed older Skype, they did it MUCH later on Linux. The replacement is inferior. So I and many others now use Viber (we tried QQ for a while on Windows & Android, but only Chinese on Linux).
Only Viber issue is that SOME laptops are assumed to be retina/HiDPI by Viber/QT/Flatback. It's not simply being 1920 x 1080, something knows physical screen size and making a stupid decision. Solution is install, if OK do nothing, if not put QT_SCALE_FACTOR=0.5 in the startup environment: sudo nano /etc/environment works on my Linux Mint 18.3. Another laptop with same 1920 x 1080 also made by Lenovo but larger screen was fine. Both same identical desktop & Linux Mint. This seems to occur with some other Flatpack apps on Ubuntu, but Mint only got Flatpack with 18.3.
It sounds like a classic "Oh Linux is too hard" but really this was simpler than any of the half dozen major issues I've had with Win 10 or with Skype since MS decided it was a Phone App with adverts.