The Spotify Category seems to be in several levels of disrepair and broken-ness. 

For example, this is extremely unsuggested by Spotify & the Community Team (I don’t even know if this is possible anymore). The screenshots here are of the old UI. Country codes for the Spotify sites are included (you shouldn’t include them since Spotify will automatically redirect non-country coded links to the correct country i.e. /au for Australia, /us for US, /ph for Phillipines) in this article . This article uses terms like ‘try to’ even though there are no current issues with x-ing out of Spotify on Windows.

Got two things right now that the teams at Spotify have brought up with me: 

https://www.wikihow.com/Upgrade-from-Free-to-Premium-on-Spotify Screenshots for steps 3 & 4 are outdated

https://www.wikihow.com/Sync-a-Device-With-Spotify can probably be merged into login with Spotify, since syncing is default.

Gonna give my perspective on these real quick: