1st step is to RIGHT click the picture and see if an option to save the picture appears in a pop up option window
If yes, you save and then print... if not, the owner has put code on the page to NOT allow saving
I was able to save it. Now that I have saved it, because it is a low resolution, what is the best application to best modify it for print purposes? Photoshop? Do I buy PicMonkey? Photoshop Lightroom? Confused.
What do you mean modify?
If you want to increase the resolution, I don't think that is possible
If you want to use Photoshop, https://creative.adobe.com/plans
-Do read the Subscription Terms https://www.adobe.com/misc/subscription_terms.html
-Purchasing FAQ https://forums.adobe.com/thread/1926340
-Special Photography Plan includes Photoshop & Lightroom & Bridge & Mobile Lightroom
Or Photoshop Elements for a one time fee Picture & Video Editor Software | Adobe Elements 2018 Bundle