To zip a PDF file, download and install 7-Zip, right-click on the PDF file, and click on Add to archive the file in the pop-up menu. Select Zip from the archive format menu, and click on OK.Continue Reading
Go to the official 7-zip website, and click the download link.
Follow the on-screen prompts to install the software.
Right-click on the PDF you want to compress. Find 7-Zip in the pop-up menu, and hover over it with your mouse to bring up another menu.
Click on Add to archive. In the next menu, click on Archive format. Choose zip from the drop-down menu, and click OK.