How to open downloads

Software PureOS
43

I cannot help much there anyway, but please stick to:

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image
image3024×4032 3.75 MB

45

Please share here related output of (or just make sure that you are using, with particular dpkg command, correct .deb names and adjust order if needed for package that needs to be installed as first, second …):

~/Downloads$ ls -la

EDIT: