Changing the font of a LaTeX Document

[young steppe]

,ctan fontspec

[fringe ibex]

fontspec – Advanced font selection in XeLaTeX and LuaLaTeX

Fontspec is a package for XeLaTeX and LuaLaTeX. It provides an automatic and unified interface to feature-rich AAT and OpenType fonts through the NFSS in LaTeX running on XeTeX or LuaTeX engines. The package requires the l3kernel and xparse bundles from the LaTeX3 development team.
​ ​ ​ ​ ​ ​ Sources: /macros/unicodetex/latex/fontspec
Documentation: README.md, Package documentation
​ ​ Bug tracker: https://github.com/latex3/fontspec/issues
​ ​ ​ Repository: https://github.com/latex3/fontspec/
​ ​ ​ ​ ​ ​ Version: 2.9e 2024-05-11
​ Contained in: TeX Live as fontspec, MiKTeX as fontspec
​ ​ ​ ​ ​ ​ ​ Topics: Font sel, LuaTeX, XeTeX
Read more at CTAN page of the package.

[young steppe]

though it looks like fonts of newpx

if you can precisely pinpoint the differences then you are a font wizard