Can't install pdfservices-sdk

I keep trying to do 

pip install pdfservices-sdk
and
pip install pdfservices-sdk

and I continue to get this error.

I downloaded the C++ Build Tools and it did not resolve the problem. Please help!

Collecting cffi==1.14.5
Using cached cffi-1.14.5.tar.gz (475 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [20 lines of output]
Traceback (most recent call last):
File "<string>", line 2, in <module>
File "<pip-setuptools-caller>", line 34, in <module>
File "C:\Users\canda\AppData\Local\Temp\pip-install-nhvoyofw\cffi_3ae9181aea8e405a9f93540a09eb869e\setup.py", line 127, in <module>
if sys.platform == 'win32' and uses_msvc():
File "C:\Users\canda\AppData\Local\Temp\pip-install-nhvoyofw\cffi_3ae9181aea8e405a9f93540a09eb869e\setup.py", line 105, in uses_msvc
return config.try_compile('#ifndef _MSC_VER\n#error "not MSVC"\n#endif')
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\_distutils\command\config.py", line 225, in try_compile
self._compile(body, headers, include_dirs, lang)
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\_distutils\command\config.py", line 132, in _compile
self.compiler.compile([src], include_dirs=include_dirs)
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\_distutils\_msvccompiler.py", line 327, in compile
self.initialize()
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\_distutils\_msvccompiler.py", line 224, in initialize
vc_env = _get_vc_env(plat_spec)
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\msvc.py", line 316, in msvc14_get_vc_env
return _msvc14_get_vc_env(plat_spec)
File "C:\Users\canda\AppData\Local\Programs\Python\Python310\lib\site-packages\setuptools\msvc.py", line 270, in _msvc14_get_vc_env
raise distutils.errors.DistutilsPlatformError(
distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/