To upload an image from a file, click the Load image button and select the Load from file value from the list.

Standard window of files selection will open. Select the required file with image and click the Open button.

The following image formats are supported for loading: JPG, JPEG, JPE, JFIF, PNG, GIF, BMP.

As a result an image from the selected file will display in the Sample for search field on the panel of specifying search conditions.

Several faces can be captured on the sample for search.  

In this case, left-click on the face which is required for the search.