XeTeX and LuaTeX

\ifxetex
  \unicodeenginetrue
\else
  \ifluatex
    \unicodeenginetrue
  \else
    \RequirePackage[utf8]{inputenc}
    \RequirePackage[T1]{fontenc}
  \fi
\fi

http://mirror.ctan.org/macros/latex/contrib/fontspec/fontspec.pdf

Adobe Font Packs (Extended Languages) http://www.adobe.com/support/downloads/detail.jsp?ftpID=4426 for Win: http://www.adobe.com/support/downloads/detail.jsp?ftpID=4885

More free fonts: * http://typophile.com/node/14652

• Programming in Lua

• Lua Reference Manual

• http://www.adobe.com/type/

List of fonts: fc-list

LyX Settings

Document –> Settings

• Fonts –> LaTeX font encoding: None (no fontenc)

• Language –> Encoding: Unicode (XeTeX) (utf8)

• Output –> Default Output Format: PDF (XeTeX)

• Tools –> Preferences –> File Handling –> File Formats –> Default Format –> Default Output Format: PDF (XeTeX)

After upgrade of TeX Live: fmtutil –all