How can I solve a error when to install pyaudio?

I was trying to install PyAudio in my machine, but occurred a error:

microsoft Visual C++ 14.0 is required.

Then, I try to fix and done, but right now, I try to install PyAudio again and occurred a new error.

ERROR: Command errored out with exit status 1:
     command: 'c:\users\eduardo\appdata\local\programs\python\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Eduardo\\AppData\\Local\\Temp\\pip-install-5iiyi7cz\\PyAudio\\setup.py'"'"'; __file__='"'"'C:\\Users\\Eduardo\\AppData\\Local\\Temp\\pip-install-5iiyi7cz\\PyAudio\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Eduardo\AppData\Local\Temp\pip-record-t0w5nugq\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\eduardo\appdata\local\programs\python\python38\Include\PyAudio'
         cwd: C:\Users\Eduardo\AppData\Local\Temp\pip-install-5iiyi7cz\PyAudio\
    Complete output (17 lines):
    running install
    running build
    running build_py
    creating build
    creating build\lib.win-amd64-3.8
    copying src\pyaudio.py -> build\lib.win-amd64-3.8
    running build_ext
    building '_portaudio' extension
    creating build\temp.win-amd64-3.8
    creating build\temp.win-amd64-3.8\Release
    creating build\temp.win-amd64-3.8\Release\src
    C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.26.28801\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -DMS_WIN64=1 -Ic:\users\eduardo\appdata\local\programs\python\python38\include -Ic:\users\eduardo\appdata\local\programs\python\python38\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.26.28801\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt" /Tcsrc/_portaudiomodule.c /Fobuild\temp.win-amd64-3.8\Release\src/_portaudiomodule.obj
    _portaudiomodule.c
    c:\users\eduardo\appdata\local\programs\python\python38\include\pyconfig.h(117): warning C4005: 'MS_WIN64': redefini‡Æo de macro
    src/_portaudiomodule.c: note: consulte a defini‡Æo anterior de 'MS_WIN64'
    src/_portaudiomodule.c(29): fatal error C1083: NÆo ‚ poss¡vel abrir arquivo incluir: 'portaudio.h': No such file or directory
    error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.26.28801\\bin\\HostX86\\x64\\cl.exe' failed with exit status 2
    ----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\eduardo\appdata\local\programs\python\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Eduardo\\AppData\\Local\\Temp\\pip-install-5iiyi7cz\\PyAudio\\setup.py'"'"'; __file__='"'"'C:\\Users\\Eduardo\\AppData\\Local\\Temp\\pip-install-5iiyi7cz\\PyAudio\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Eduardo\AppData\Local\Temp\pip-record-t0w5nugq\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\eduardo\appdata\local\programs\python\python38\Include\PyAudio' Check the logs for full command output.