I already filed 2024 W2 and received my refund and then I realized that my W2 if only up to July. This is also the case for year 2022. What do i do?

If what you are saying is correct, that means that the employer has reported incorrect information to the IRS on the W-2.

You may be able to amend the income tax return using your final paystub in December 2024 to generate a 'substitute W-2'.

A substitute W-2 may be prepared using your final paycheck of December 2024.

Enter as if entering a W-2.  At the screen Let's check for uncommon situations, select Didn't get a W-2 or received an incorrect W-2.

See TurboTax Help.

If your return has been transmitted and accepted by the IRS, you may amend your Federal 1040 tax return.

If you used TurboTax Online, log in to your account and select Amend a return that was filed and accepted.

If you used the CD/download product, sign back into your return and select Amend a filed return. 

See also this TurboTax Help.

Retain copies of everything in your tax return file.  This will likely not be resolved easily or quickly.