How can I install software offline?
What is the easiest way to update my Ubuntu on my offline PC? It is not permitted to connect to internet, but I can transfer files to it with a USB stick.
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I think you are looking for this: How can I install software offline?.
Press CTRL+F after opening that link and look for the entry: "An USB repository", with that you will have a big repo with applications to update on the computer :)