To complete and file a 2023 C Corp, Form 1120, tax return using TurboTax you would need to purchase, download and install on a personal computer the 2023 Business Edition from this website - https://turbotax.intuit.com/personal-taxes/past-years-products/
A 2023 tax return can only be printed and mailed, it cannot be e-filed using TurboTax.