Just go to this official Microsoft site:
Download the Windows 10 Upgrade Assistant.
The upgrade assistant checks whether your system has the latest build 14393.105. If not, it installs the update.
Once it downloads the anniversary update and install in your machine. It reboots several times. For a 12 GB RAM system the reboot time took 25 minutes. So, please be patience.
Once the update is done. Just go to Setting –> Search Windows Feature.
A Windows Feature window appears, scroll and select the below.
It will ask for restart the system. Before restarting your system, please read this “https://tjosepraveenblog.wordpress.com/2016/01/14/easy-steps-how-to-back-up-windows-10-system/”
Open command prompt and type bash.
It will ask you to install the bash or not.
Once bash installation is done.
Press Win Key and type bash. A application named “Bash on ubuntu on windows”.
You can use cmd or bash on ubuntu on windows application to go ahead.
Hope this help!!!.