QUICK INFO:

• tails.net - Tails website

• Installation: "Applications" > "System Tools" > "Synaptic Package Manager" > insert Admin password > find the additional software you're interested in, and select it  > "Mark for installation" > "Apply" > "Apply" > choose  whether "Install only once" or "Install every time" > close the  application

• Where it is installed: "Applications" > "System Tools" > "Additional Software"