To install the Timesse Cyr font on your system properly you have to do these step by step:
1. Download Timesse Cyr font from this link
2. Open Control Panel of your system
3. Open Fonts directory
4. Open File menu
5. Click on install new font
6. Show the path to the directory where you've just download the font and then press OK
Start->Settings->Control Panel->Fonts->File->Install new font