|Unless you have some pdf editing software, you can use PDF |
Download and install PDF Creator
It will install a virtual printer on your computer.
(To create a pdf, just print the file to the PDF Creator Printer.)
(Or in your case, merge them.)
Print the first file to PDF Creator.
In the box that open (after you choose your printer), click on the
[Wait - Collect] button.
The print will be "paused".
You can see it in the "PDF Print Monitor", which will also open.
Print your second file.
It will automatically be "paused".
It will be placed below the first file in the "PDF Print Monitor".
Continue, until all files have been printed.
Switch to your "PDF Print Monitor".
Select all the files, and click on the [Combine All] toolbar button.
(It looks like a stack of documents.)
It will merge all the files into one file.
The first button on the toolbar will be a printer with a red dot on it.
(It will say "Printer Stop" on mouse over.)
PDF Creator will pop up the "Print" dialog again.
This time, click on the [Save] button.
Your pdf will be created.