Thanks for your interest in upgrading your QuickBooks subscription, Spencley. I'll make sure to provide further details below.
You can't directly upgrade your subscription from your QuickBooks Solopreneur account. You'll have to cancel your QuickBooks Solopreneur subscription and sign up for a new QuickBooks Online subscription. Please know that we are currently working on a way for customers to upgrade from this product to other QuickBooks Online plans.
Additionally, check out these articles to learn more about the differences and similarities between QuickBooks Solopreneur and other QuickBooks products:
On the other hand, feel free to save these resources that will help you with personalizing your QBO account to whatever you need to change:
Please keep me informed by commenting below if you have more concerns about your QuickBooks plan and subscription. I'm always around to help you. Have a good one.