how to install packages

open aanconda prompt from search 

type 

conda create -n tf python==3.7.9 ( enter ) 

y ( enter ) 

conda activate tf ( enter )

type 

pip install tensorflow==1.15.0 ( enter ) 

pip install scikit-learn==0.22.1 ( enter )

pip install keras==2.2.4
pip install h5py==2.10.0
pip install pandas
pip install matplotlib
pip install opencv-contrib-python
pip install imutils
pip install PyQt5

conda deactivate ( enter )