If you are just wanting to move photos, video, contacts, music, etc., over to the SD card, you would need to go into the individual apps that you created and/or downloaded them in and change the settings to use the SD card.
Now, however, if you are wanting to make the SD card "Internal" memory rather than "External", so you can run apps from it, that is a whole other story.
First you will need to be running at minimum Android "Marshmallow". Second you will need to have the instructions I am including below. And third, you will need to have a device that the manufacturer has not restricted (which happens a lot). You will know if it is restricted when you try to use the instructions. If any of the steps are missing on your device, then...