\definefontfeature [default] [default] [trep=yes,dlig=yes,itlc=yes]

\definefontfamily [myfonts] [rm]        [Times New Roman]
\definefontfamily [myfonts] [ss]        [Aptos]
\definetypeface   [myfonts] [mm] [math] [stixtwo]

\setupbodyfont [myfonts,12pt]

\mainlanguage[en-us] % yes, I know us english is the default, but I like having it be explicitly set to us english

\setupindenting[yes,
    0.5in
]

\startsetups document:start

\stopsetups

\startdocument

\stopdocument