Vingalmo will give you the suggestion that you should turn your spouse into a vampire by using the Vampire’s Seduction skill. Open the console by pressing '~', which is located in the top left corner of standard North American keyboards. Skyrim is a massive open-world game but it's almost a decade old. Don't warn me again for The Elder Scrolls V: Skyrim Special Edition. All you need to get married is an amulet of Mara and a conversation with Maramal, a follower of Mara found in Riften.
