Para ativar o shell bash a partir da atualização de aniversário do Windows 10, é necessário ativar o recurso Windows Subsystem for Linux
1. Go into the Control Panel and click Turn Windows features on or off
2. Then select the package Windows Subsystem for Linux (Beta). It will go through the installation process and ask you to restart your computer.
3. Once it's restarted, you can search for bash in the search bar.