How do I check checkboxes using only a keyboard?

Question

How can I check the check boxes in an install wizard using only a keyboard? I have tried every conceivable keyboard command. +, -, Enter, <, >, 1, 2, 3 etc.

Answer 1

You can check checkboxes using Spacebar in most of the interfaces.

^{I would rather write an answer than to close this question as off-topic (in which queue I found it), because there is nothing wrong in it.}