Use Adobe Acrobat: Open Acrobat, go to Tools, select Combine Files, add the PDFs, arrange them, and click Combine
Use macOS Preview: Open one PDF in Preview, show the sidebar, drag the other PDFs into the sidebar, then save the combined file
Use Microsoft Edge or another browser print workflow: Open PDFs, print to PDF after merging with a PDF tool
Use online PDF merge tools: Upload the PDFs, reorder them if needed, and download the merged file
Use free desktop apps like PDFsam Basic: Open the merge tool, add the PDFs, arrange them, and run the merge
Use command-line tools like PDFtk: Run a merge command with the PDF filenames in the desired order
Use Ghostscript: Use a merge command to combine the PDFs into one output file
Use LibreOffice Draw: Open PDFs, export or save them into a single PDF after combining
On Windows, use a PDF printer only after first combining pages in a PDF editor
Check the final file to confirm page order and quality before sharing or saving