Language Hotkeys removed by itself in Windows 10

I finally found the solution and I am posting, in case someone else has the problem.

1- Define your hot-keys.

2- Search and find the "region" settings palette and go to administrative tab.

region-administrative tab

Now go to "Copy Settings" section.

copy settings

Select both tick boxes below the window and press ok.

In my case this applied the settings in a way that they are no more removed.

Edit: In case you cannot find the language Hot-key definition in windows 10, in the latest editions, it is here:

enter image description here