How to Password How to password protect pdf for free a PDF. You can control who opens and changes your PDF by creating a password and requiring editors to enter it before making changes. Try one of the following methods to password protect a PDF.
Download Adobe Systems’ Adobe Acrobat program. This is a paid program, unlike Adobe’s Acrobat Reader. It comes standard along with many of Adobe’s program bundles, such as Adobe Creative Suite. Install Adobe Acrobat onto your computer. You can do this by finding the program in your “Downloads” or in the disk driving and clicking on the program to begin installation.
Create a document in MS Word or another program, if you have not done so already. Memorize where it is stored on your computer. Open a file from inside Adobe Acrobat. Click “File” on the top horizontal toolbar. Scroll down to “Open” in the drop down list and select it. Use the browser window to select the file you want to password protect.
Click “File” and then “Properties” once your document has been loaded. If your document is in a format other than PDF, you should press the “Create” button in the top left part of the task bar. Create your PDF and choose to edit the “Properties” section before you save it as a PDF. Click the “Security” tab in the Properties dialog box. Choose “Password Security” instead of “No Security” in the top drop down box. Find the PDF Password Security dialog box when it pops up. Make choices as to what security levels you would like to use.