The Federal tax form 1040A was removed after tax year 2017. There is only the Form 1040.
You are not required to enter any itemized deductions on Schedule A. The standard deduction is automatic if the total of all the itemized deductions on Schedule A is less then the standard deduction for your filing status.
Standard deductions for 2024
Single - $14,600 add $1,850 if age 65 or older
Married Filing Separately - $14,600 add $1,550 if age 65 or older
Married Filing Jointly - $29,200 add $1,550 for each spouse age 65 or older
Head of Household - $21,900 add $1,950 if age 65 or older