Create a folder and put Pattern SGF files in it.
Click menu item "Tools-File Location" to select the folder for Pattern.
Click menu item "Pattern" to load files.
Left click will put blue dots on board. Right click will put red dots on board. Example
Click "Pattern search" button to find files starting with blue-red dots pattern.
Click on the board again will limit search files base on the first moves.
Individual pattern can be seen by selecting file name in lower-right tree view.
By hitting enter key or clicking twice the file name in lower-right tree view, SGF viewing state will be activated.