Add the option to select multiple items/checkboxes in the keyword explorer and other areas using shift+right click. currently, you can only select all or one-by-one.

SELECT MULTIPLE is a suggestion precisely to avoid having to select 20-30 KW one by one when you have a list of 50+. You can either select 1 by 1, or all. The feature suggested is a shortcut to make things faster. At the moment doing this one-by-one is time consuming and a product limitation