While you are at it, you should also download and install
Tibetan Machine Uni
from the same site - it will enable you to read Unicode Tibetan web pages.
For help configuring your browser to display Unicode Tibetan properly,
The Heart Sutra in Wylie Encoding (4KB)
This exact file was used to generate the Tibetan version above.
It was read into UDP and saved as an HTML file
after the first two lines were added. No other changes were made
to generate the Tibetan web page above.