Simple Way from Scratch.
Download Anaconda from https://repo.anaconda.com/archive/Anaconda3-5.2.0-Windows-x86_64.exe
Install Anaconda by double clicking it.
Open anaconda prompt by searching anaconda in windows search and type the following command while being connected to internet.
A. conda create -n tensorflow_env python=3.6
B. conda activate tensorflow_env
C. conda install -c conda-forge tensorflow
Step C will take time. After install type python
in conda prompt and type
import tensorflow as tf
If no error is found your installation is successful.