How to convert GIF to PDF on Windows 10?
1. Double-click a GIF file
2. Set up the print area
3. Select from main menu "File"->"Print"
4. Select Printer "PDF Printer"
5. If you need to adjust PDF generation options, click the "Property" button on the right
6. Click "OK"
7. A dialog will pop up, assign the folder or file name of the PDF document to be generated
8. Congratulations! You have converted GIF to PDF document now.