Open Adobe Acrobat Pro
Open the PDF you want to make fillable
Go to Tools
Select Prepare Form
Choose the file or scan a document if needed
Let Acrobat detect form fields automatically
Review the detected fields
Add text fields, checkboxes, radio buttons, drop-down lists, or signature fields as needed
Move and resize fields to fit the layout
Open field properties to rename fields and adjust settings
Set required fields if needed
Add tab order if needed
Preview the form
Save the fillable PDF
Test the form by filling it out yourself
