Changing textures in real time?

Hi there,
I’m new to this software and I wanted to know about changing the texture of an object during real time. Is it possible.
If yes, please guide me in a proper way. Any help would be very useful.
Thanks in advance.

Hello! Thanks for your time, I’m totally new to this can you please share the Full image where the Living floor connecting up/downwards. Once again thanks for your reply.
Cheers!

Thank you very much! really I know nothing in this software. just by watching tutorials I’m learning. I hope I got the answer from your support. Once again thanks. Cheers!

Hi there! You can change it very easily. I take two screen shot for you, from my present project.

In your blueprint use like this

And in your widget use like this

Thank you

Here is full image of Living Floor BP