Can i get my tax return without upgrade deluxe. i only do have my w-2 documents. and this should be enough to get simple tax return

To go back to the Free Edition or a lower version you can try to clear and start over.  But if you originally started in Free you might not need to clear it.

  https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-clear-and-start-over-in-turbotax-online/00/26444

In the Turbo Tax Free Edition, information that you can enter is limited now.  Why do I have to upgrade from the Free Edition?

https://ttlc.intuit.com/community/upgrading/help/why-do-i-have-to-upgrade-from-free-edition/00/26379

Or go to the IRS Free File programs

Free File: Do your Federal Taxes for Free | Internal Revenue Service

Situations covered (assuming no added tax complexity):

• W-2 income.
• Interest or dividends (1099-INT/1099-DIV) that don't require filing a Schedule B.
• IRS standard deduction.
• Earned Income Tax Credit (EITC)
• Child Tax Credit (CTC)
• Student loan interest deduction

Situations not covered:

• Itemized deductions claimed on Schedule A
• Unemployment income reported on a 1099-G
• Business or 1099-NEC income
• Stock sales (including crypto sales)
• Rental property income
• Credits, deductions and income reported on other forms or schedules

Click here for additional information on filing for free in TurboTax.