How do I move a log in into a folder?

Hi @NCRT and welcome to the community,

You could edit each item individually and select the appropriate Folder needed if you are using the Desktop app as I see you have tagged #app:desktop


Though the easiest method for this if you have multiple items to move into an existing Folder would be to use the web-vault at https://vault.bitwarden.com to move items.
As shown in a recent post you can use the web-vault to bulk select items then use the → Move selected option instead to move them to a folder, rather than in the example which shows to → Move selected to organization