open the Control panel and select section Clock, Language and Region ( Fig. 2);
Fig. 2 – control panel
click on Change location (see Fig. 3);
Fig. 3 – language settings
open the Administrative tab ( Fig. 4.1 ) and click Change system locale (Fig. 4.2);
Fig. 4 – go to the system language search Fig. 5 – selecting the system language
select Russian language (see Fig. 5.1) and click OK (see Fig. 5.2). This opens a window requesting to restart the computer, where you should click Restart now (Fig. 6).