Open the PDF in Adobe Acrobat Pro or another PDF editor that supports form creation
Select the form creation tool
Let the software detect form fields automatically, or add fields manually
Insert text fields, checkboxes, radio buttons, dropdowns, and signature fields as needed
Adjust field size, position, and properties
Set field names, required fields, and validation rules if needed
Save the file as a fillable PDF
Test the form by opening it and entering sample data
Make any necessary edits and save the final version