Disclaimer: Font licenses change. Always verify the license inside the download before use. This post was accurate as of the publication date.
You can verify it for malware/viruses before installing:
: Provides a directory listing for various Tzaristane weights and styles with links to authorized download sources. Important Note on "Free" Downloads
Since "Tzaristane" is obscure and may be a misnamed commercial product, here are verified free alternatives that capture the same historical, Slavic, or calligraphic aesthetic:
Blocked Drains Reading