Cannot install.

[WiseMatthack]

When I run the command pip install -r requirements.txt, I get this error in the command prompt

     command: 'c:\python38\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\matth\\AppData\\Local\\Temp\\pip-install-oux8a7yk\\matplotlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\matth\\AppData\\Local\\Temp\\pip-install-oux8a7yk\\matplotlib\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\matth\AppData\Local\Temp\pip-pip-egg-info-ym7ep1u6'
         cwd: C:\Users\matth\AppData\Local\Temp\pip-install-oux8a7yk\matplotlib\
    Complete output (61 lines):
    ============================================================================
    Edit setup.cfg to change the build options`

    `BUILDING MATPLOTLIB
                matplotlib: yes [2.2.2]
                    python: yes [3.8.3 (tags/v3.8.3:6f8c832, May 13 2020,
                            22:20:19) [MSC v.1925 32 bit (Intel)]]
                  platform: yes [win32]

    REQUIRED DEPENDENCIES AND EXTENSIONS
                     numpy: yes [not found. pip may install it below.]
          install_requires: yes [handled by setuptools]
                    libagg: yes [pkg-config information for 'libagg' could not
                            be found. Using local copy.]
                  freetype: no  [The C/C++ header for freetype
                            (freetype2\ft2build.h) could not be found.  You may
                            need to install the development package.]
                       png: no  [The C/C++ header for png (png.h) could not be
                            found.  You may need to install the development
                            package.]
                     qhull: yes [pkg-config information for 'libqhull' could not
                            be found. Using local copy.]

    OPTIONAL SUBPACKAGES
               sample_data: yes [installing]
                  toolkits: yes [installing]
                     tests: no  [skipping due to configuration]
            toolkits_tests: no  [skipping due to configuration]

    OPTIONAL BACKEND EXTENSIONS
                    macosx: no  [Mac OS-X only]
                    qt5agg: no  [PySide2 not found; PyQt5 not found]
                    qt4agg: no  [PySide not found; PyQt4 not found]
                   gtk3agg: no  [Requires pygobject to be installed.]
                 gtk3cairo: no  [Requires cairocffi or pycairo to be installed.]
                    gtkagg: no  [Requires pygtk]
                     tkagg: yes [installing; run-time loading from Python Tcl /
                            Tk]
                     wxagg: no  [requires wxPython]
                       gtk: no  [Requires pygtk]
                       agg: yes [installing]
                     cairo: no  [cairocffi or pycairo not found]
                 windowing: yes [installing]

    OPTIONAL LATEX DEPENDENCIES
                    dvipng: no
               ghostscript: no
                     latex: no
                   pdftops: no

    OPTIONAL PACKAGE DATA
                      dlls: no  [skipping due to configuration]

    ============================================================================
                            * The following required packages can not be built:
                            * freetype, png
                            * Please check http://gnuwin32.sourceforge.net/packa
                            * ges/freetype.htm for instructions to install
                            * freetype
                            * Please check http://gnuwin32.sourceforge.net/packa
                            * ges/libpng.htm for instructions to install png
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.```

[ghost]

I'm having the same issue but I think c++ build tools needed to install first to resolve the issue