Click on the "Clock, Language, Region" option.


,, Then select "Add".
 Click on "Russian" in that list of layouts to add it.
 Then Windows activates Russian keyboard layout file.
 You can now use combination of buttons Alt+⇧ Shift to switch between Russian ("RU") and English ("EN").


Now you have standard Russian keyboard layout active and can use it for typing in Russian. Or you can install Phonetic (homophonic) layout when F-Russian F,A-A, O-O,....
Click on the Start button and go to the Control Panel.
Double-click "Regional and Language Options.",Find a tab called "Keyboard and Languages"

,
Click "Change Keyboard".
Find "Russian" (language) in the list and then click on its '+' sign to see available layouts.
Click on "Apply" below right.
Click "OK" again.
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