It won't recognise I have a subscription it keeps saying check back later and I can't use any features

Hi @seriouslyluke-gm, I'll help make sure to access your account successfully.

In QuickBooks Online, recent changes were made to the system requirements needed to log in and access QuickBooks Online (QBO) account. Let's make sure the browsers installed on your device are the latest versions.

Use this link to read and learn more: What Computer and Browser do you Need for the Best Experience in QuickBooks?

However, if you can confirm each browser version is the latest, let's log in to QBO using a private browser. Here's how to access them:

• Google Chrome: Ctrl + Shift + N
• Mozilla Firefox: Ctrl + Shift + P
• Safari: Command + Option + P
• Edge: Ctrl + Shift + N

If this works, it means you need to clear your browser's cache so the system can start fresh and you're now able to access your data accordingly. But if you get the same result while using a private browser, let's switch to different supported browsers instead.

You may also want to check this reference for other useful topics to read while working with your account and the features you can utilise: Get Started with QuickBooks Online.

Let me know in the comments below using the Reply button if you've got questions other than accessing your account. I'll be here ready to lead a helping hand. Take care always!