1. Open the PDF in your browser.
2. Click Download (or Save) and store the file on your computer first.
3. Open the saved PDF in a PDF reader (like Adobe Acrobat or Preview).
4. Fill out the form.
5. Click Save or Save As and give the file a new name to keep your changes.
💡 Tip: If you edit a PDF directly in the browser without downloading, your changes may not be saved.