To upgrade your account please follow these directions:
Go to Slipstream Music
Log in to your Slipstream account
Go to your profile.
Click on Manage Subscription.
Click the button that says "Upgrade"
Select the paid plan you wish to upgrade to
Fill out the payment form
Subscribe
If you run into any issues please reach out to support at support@slipstreammusic.com. Our team will follow up with you in 24 to 48 hours.