Security
Lets have a look at the main computer that will be used to edit images.
TL;DR1
PC, Mac or Linux
The most basic choise is to choose what kind of computer and operarting system you want to use.

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TL;DR or TLDR is an acronym that stands for “Too Long Didn’t Read.” While originally the acronym was was an insult to criticize a piece of writing as overly long, tl;dr have now taken on a second meaning as a shorthand for a “summary,” frequently called the tl;dr version of a longer account or article. Like it is used here. ↩