I can't install it on Windows

[mateosere]

I cannot install it on windows.
I have the following errors:

Failed to build numpy
ERROR: -pencv-python 3.4.13.47 has requirement numpy>=1.17.3, but you'll have numpy 1.15.4 which is incompatible.
ERROR: opencv-python 3.4.13.47 has requirement numpy>=1.17.3, but you'll have numpy 1.15.4 which is incompatible.
ERROR: astropy 4.0.1.post1 has requirement numpy>=1.16, but you'll have numpy 1.15.4 which is incompatible.