Just do not enter any of the itemized deductions. Click on Deductions and Credits under Federal on the left side of the online program screen. Scroll down to the bottom of the page and click on Done with tax breaks
You just skip them by not entering anything for itemized deductions. If you do not enter itemized deductions you automatically get your standard deduction---you do not have to "choose" standard deduction.
If you want to skip entering your itemized deductions you can do that. Many people will not have enough itemized deductions this year to itemize, and will just be getting their new higher standard deduction. The thing is, though, that some of those deductions could make a difference on a state return even if they do not affect your federal return. Information flows from your federal return to your state return, so it might not be a bad idea to go ahead and enter them anyhow. It cannot hurt you.
The following states allow you to itemize deductions on just the state return: Alabama, Arizona, Arkansas, California, Delaware, Hawaii, Idaho, Iowa, Kentucky, Minnesota, Mississippi, Montana, New York, North Carolina, Oregon, and Wisconsin,