#view-kill

Very simple but extemely useful emacs script for viewing your kill ring.

view-kill
Displays the entire kill ring as a single menu of numbered items.
Select a number to insert that item into your current buffer.
Use <SPACE> to scroll.
Note: the length of your kill ring is controlled by the variable 'kill-ring-max'.

Just copy to your .emacs file.

https://www.emacswiki.org/emacs/view-kill.el