Use a free online PDF merger tool
Upload the PDF files
Arrange the files in the desired order
Click the merge or combine button
Download the merged PDF
Use Adobe Acrobat online free merge tool
Use Smallpdf free merge PDF tool
Use iLovePDF merge PDF tool
Use PDF24 Tools merge PDF tool
Use Sejda PDF merge tool
Use Preview on Mac to combine PDFs
Use Microsoft Print to PDF or Save as PDF after opening files
Use free desktop software like PDFsam Basic
Use free browser-based PDF tools
Use built-in file manager or print options on some devices