Glory to Jesus Christ!
I encourage everyone who wants a Old Church Slavonic font for their PC which is useful and free, to download the "Orthodox" font available from the following site:
http://www.orthonord.orthodoxy.ru/fonts/orthodox.htm Note that the above page is in Russian. For those who can't read Russian, the links to download the fonts are about 3/4 of the way down the page, and are in hypertext. I downloaded the middle one, in TTF format. Its specific URL is:
http://www.orthonord.orthodoxy.ru/fonts/orthodox/ort_tt.zip The other two are in "Type 1" and in TTF for Windows 3.x.
A nice thing, is that not only are the old Cyrillic font and all the abbreviation and stress marks included, but also there are a few graphics including a Greek cross (+), a three-bar cross, and more.
In Christ,
+Тимофей, рабъ Божій