message: Added Updated command
diff: @@ -51,6 +51,16 @@ Windows)*:
  $ pip install tensorflow-gpu
  ```
  +## Upgrade Tensorflow
  +
  +
  +To update Tensorflow to the latest version(currently 2.0)
  +
  +```
  +$ pip install --upgrade tensorflow
  +```
  +
  +
  *Nightly binaries are available for testing using the
  [tf-nightly](https://pypi.python.org/pypi/tf-nightly) and
  [tf-nightly-gpu](https://pypi.python.org/pypi/tf-nightly-gpu) packages on PyPi.*
  