Open the PNG file
Use an online converter: upload PNG → choose PDF output → convert → download PDF
Use Windows: right-click PNG → Print → select “Microsoft Print to PDF” → Print → save as PDF
Use macOS: open PNG in Preview → File → Export as PDF → save
Use Google Drive: upload PNG → open with Google Docs (or download/convert via tools) → save as PDF
Use Adobe Acrobat: File → Create → PDF from File → select PNG → save
Use Microsoft Word: insert PNG → File → Save As → PDF
Use command line (ImageMagick): `magick input.png output.pdf`
Use command line (LibreOffice): convert via import to document then export as PDF
Verify the PDF opens correctly and the image fits/centers as desired