Creating a playlist in Spotify is nothing difficult. After opening the Spotify app, go to "New Playlist" in the left menu bar and then customize playlist info like name, description, etc. in a pop-up "Create Playlist" window. Next, click the "Create" button. After that, you can search any of your favorite Spotify tracks and click a three-dots icon > "Add to Playlist" to create your personal Spotify music playlist.
If you have subscribed to Spotify premium, you are even allowed to download the Spotify playlist for offline listening on the Spotify app. For users having no Spotify premium account, it is necessary to draw support from a Spotify playlist converter to download Spotify playlists for offline listening on all devices without limit.