1) Open Regedit
2) Go to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Control\Keyboard Layouts
3) Find sub key with word "russian" (usually 00000419)
4) In "Layout File" change filename to kbdru_phon.dll
5) Copy kbdru_phon.dll to @%SystemRoot%\system32 (usually c:\Windows\system32)
6) Restart

Now you can choose "Phonetic Russian language" from language settings