How do you lock photos to a CD so they cannot be printed? -

I m starting my photo business and I want to give my clients the original photos just to look at,BUT!!! i don t want them to print them....because i would lose profit.CAN SOMEONE HELP!!!!

The only way I know is to convert them to PDFs. PDFs have all manner of controls that you can set (including preventing printing). I suggest you purchase and use Adobe Acrobat Pro. You can probably buy an older version cheaply on eBay.