How to install a Microsoft Dynamics Nav Demo

How to install a Microsoft Dynamics Nav Demo and how to set up SQL demo server for it?

I manage to install all but when I try to run MD Nav program say " MD Nav can not connect with SQL server!!

How did you install NAV? by selecting Demo option from setup?

which version you are trying to install?

I finally managed to instal Microsoft Dynamics Nav R2 of course demo version.

Yes of course demo version.

I installed MD Nav R3 demo version.

It was problem about Microsoft shell 3 update.

I updated shell and now everything works.

Thanks for asking.