Jabba is a java version manager (see https://github.com/shyiko/jabba) that simplifies the installation and switching of/to different JDK.

If your powershell is behind the firewall follow the procedure here.

Install Jabba using the following cmdlet:

Note: If you encountered something like jabba.ps1 cannot be loaded because running scripts is disabled on this system. For
more information, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170 see running unsigned script.

Invoke-Expression (
        wget https://github.com/shyiko/jabba/raw/master/install.ps1 -UseBasicParsing
    ).Content