Hi there, Mitsos.
I can see the importance of accessing your QuickBooks Desktop (QBDT) account.
With the recent changes to accounting and tax regulations, we've decided to discontinue all QuickBooks Desktop services for our UK customers on 30 June 2023. This includes all versions of QuickBooks Desktop Pro, Premier and Enterprise.
However, if you have an outright licence for QuickBooks 2015 or earlier versions, you can still access your account.
To further guide you about the discontinuation policy, see this article: QuickBooks Desktop discontinuation support.
If you have more questions about this or anything else, let me know by commenting below. I'm always ready to assist. Have a great day!