adding password to PDF file

I have been trying to apply a password to a PDF but have been unsuccessful. I opened the PDF, Tools, Protect, then prompts me to buy a subscription of Adobe for $14 to be able to encrypt PDF’s. What should I do?
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Joe Winograd, Fellow&MVEDeveloperCommented:
> buy a subscription of Adobe for $14
> What should I do?

I suggest watching my 5-minute EE video Micro Tutorial:
How to password-protect a PDF with free software

That same free product can do some other great stuff, too, as shown in these other 5-minute EE video Micro Tutorials:
How to rotate pages in a PDF with free software
How to OCR pages in a PDF with free software

Regards, Joe

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mkramer777Author Commented:
this is the easiest way?
Joe Winograd, Fellow&MVEDeveloperCommented:
I can't say that it's the "easiest" or the "best" way, because I haven't tried everything that's out there, but I can say that it's easy and excellent...and free! I can also say that you can't do it with the free Adobe the Adobe product family, you need the non-free Acrobat. The entire video is just five minutes, and begins with a non-password-protected PDF and ends with a password-protected one, so I'd say that's pretty easy. :)  In fact, once you've installed the software, which should take just a few minutes, the actual password-protection task should take less than a minute. Regards, Joe
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