That link is the official version.
The command provided by NotATether will only work in his experimental build.
When I try to run "c:\Users\Main\VanitySearch.exe -t 8 '^1[fF][iI].{2,4}[sS][hH]'" in Windows, it says "Ignoring prefix " -t 8 '^1[fF][iI].{2,4}[sS][hH]'" (must start with 1 or 3 or bc1q)", does anyone know what I'm doing wrong?
For the official version, just start it with your preferred args followed by your address prefix.
e.g.:
VanitySearch.exe -stop bc1qsegwtuse:
VanitySearch.exe -h to see all the available options.