downloaded python, checked path, custom install and selected everything to make sure I got everything
downloaded source code and extracted then copied protoc.exe from bin into this folder (trusted protoc.exe with file insight)
opened powershell as admin
PS E:\Downloads\achow tool\payment-proto-interface-master> python setup.py install
running install
running bdist_egg
running egg_info
creating Bitcoin_Payment_Protocol_Interface.egg-info
writing Bitcoin_Payment_Protocol_Interface.egg-info\PKG-INFO
writing dependency_links to Bitcoin_Payment_Protocol_Interface.egg-info\dependency_links.txt
writing requirements to Bitcoin_Payment_Protocol_Interface.egg-info\requires.txt
writing top-level names to Bitcoin_Payment_Protocol_Interface.egg-info\top_level.txt
writing manifest file 'Bitcoin_Payment_Protocol_Interface.egg-info\SOURCES.txt'
reading manifest file 'Bitcoin_Payment_Protocol_Interface.egg-info\SOURCES.txt'
writing manifest file 'Bitcoin_Payment_Protocol_Interface.egg-info\SOURCES.txt'
installing library code to build\bdist.win32\egg
running install_lib
warning: install_lib: 'build\lib' does not exist -- no Python modules to install
creating build
creating build\bdist.win32
creating build\bdist.win32\egg
creating build\bdist.win32\egg\EGG-INFO
copying Bitcoin_Payment_Protocol_Interface.egg-info\PKG-INFO -> build\bdist.win32\egg\EGG-INFO
copying Bitcoin_Payment_Protocol_Interface.egg-info\SOURCES.txt -> build\bdist.win32\egg\EGG-INFO
copying Bitcoin_Payment_Protocol_Interface.egg-info\dependency_links.txt -> build\bdist.win32\egg\EGG-INFO
copying Bitcoin_Payment_Protocol_Interface.egg-info\requires.txt -> build\bdist.win32\egg\EGG-INFO
copying Bitcoin_Payment_Protocol_Interface.egg-info\top_level.txt -> build\bdist.win32\egg\EGG-INFO
zip_safe flag not set; analyzing archive contents...
creating dist
creating 'dist\Bitcoin_Payment_Protocol_Interface-0.1-py3.6.egg' and adding 'build\bdist.win32\egg' to it
removing 'build\bdist.win32\egg' (and everything under it)
Processing Bitcoin_Payment_Protocol_Interface-0.1-py3.6.egg
Removing c:\program files (x86)\python36-32\lib\site-packages\Bitcoin_Payment_Protocol_Interface-0.1-py3.6.egg
Copying Bitcoin_Payment_Protocol_Interface-0.1-py3.6.egg to c:\program files (x86)\python36-32\lib\site-packages
Bitcoin-Payment-Protocol-Interface 0.1 is already the active version in easy-install.pth
Installed c:\program files (x86)\python36-32\lib\site-packages\bitcoin_payment_protocol_interface-0.1-py3.6.egg
Processing dependencies for Bitcoin-Payment-Protocol-Interface==0.1
Searching for pyqt5
Reading
https://pypi.python.org/simple/pyqt5/No local packages or working download links found for pyqt5
error: Could not find suitable distribution for Requirement.parse('pyqt5')
PS E:\Downloads\achow tool\payment-proto-interface-master>