How to delete a page of a PDF file?
You can use Adobe Acrobat software to achieve this, specifically: First open the PDF file with Adobe Acrobat software, then click "Document" - "Page" - "Delete", select the page to delete, and then click "OK". If you want to insert a page, click "Document" - "Page" - "Insert", select the file (page) to insert, select the location to insert, and then click "OK"