Step 1.

Enter into Control Panel: Start -> Settings -> Control Panel.

Step 2.

Double click on "Add/Remove Programs" icon.

Step 3.

Choose "Windows setup".

Step 4.

Choose line "Multilanguage Support" in "Components" window and check one.

Step 5.

Click on "Details" button and check "Cyrillic language support". Click on "OK" button.

Step 6.

You find yourself in "Windows Setup" window again. Click on "OK" button and installation will start up.