It is very easy to change your plan in spotify premium if you already have a subscription and the below given process can be done by everyone. If you need to switch plans, log into your account on the Spotify website or app. From the dashboard, click on Account and you will be taken to a page where it shows your current plan with which products are available. It generally takes up to 5 minutes.
There are four plans to choose from at Spotify: Individual, Duo, Family and Student. This one is for a single user and costs $9.99/month with premium features on the Individual plan Duo, the plan for two separate accounts where this one costs $12.99 per month The Family plan will cost you $14.99 a month but gives up to six accounts per subscription, whereas the Student Plan has 50% off and lowers it down to just $4.99 monthly.
Choose the plan you want to switch to, and when asked if it is your selection then confirm with a yes. Next billing cycle, Spotify will bill you at the new plan pricing. This switch usually takes place immediately however may be a matter of timing. 20% of the average users adapts their plane every year to changing needs (2014 Spotify data)
If you opt to upgrade while on a free trial, Spotify will bill your first payment between two days before the end of the one-month period at 9:00 pm Pacific time and two days after (if during that timeframe), based on how much more expensive is said plan compared to what was originally selected. Spotify typically also offers a pro-rated refund or adjustment to be fair one quick free tip if you are moving from any premium plan to another. So, if at all a user needs to switch between Individual and Family in mid-term of their billing cycle that users will get the charge adjusted accordingly from Spotify.
Spotify says that if users experience problems while updating their plan, they can contact customer support for help. Recent user feedback indicates the users are getting 90% of subscription problems resolved within a single day by support.
Visit Spotify's official website for more in-depth instructions on how to change your plan, or make changes to the type of subscription you have by heading over to spotify premium management page.