Add text watermarks
Click the Add Text button : An entry  will be added to the watermark list. The initial text is Add Text. You can double-click this text watermark entry in the list if you want to edit the text. The text content added or modified will be displayed on the video immediately.
Add image watermarks
Click the Add Image button : An image file selection dialog box will pop up for you to select a BMP image file. When this is done, an entry will be added to the watermark list with the path of this image file as its content. The image will be displayed on the video immediately.

Edit watermark properties:

To edit the properties of a watermark, you must first select this watermark. You can click on the watermark in the watermark list, or click directly on the watermark you want to edit on the video. The currently selected watermark on the video is surrounded by a white dotted line.

Delete a watermark
Click the Delete button : This will delete the selected watermark.
Bring watermark to back

Click the Up button : This will bring the layer of the selected watermark one layer backward. It can be used to change the overlapping order of the watermarks.
Bring watermark to front
Click the Down button : This will bring the layer of the selected watermark one layer forward. It can be used to change the overlapping order of the watermarks.
Horizontal slider:
By moving the horizontal slider you can change the horizontal position of the watermark on the video. You can also drag the watermark directly on the video and put it where you want it to be.
Vertical slider:
By moving the vertical slider you can change the vertical position of the watermark on the video. You can also drag the watermark directly on the video and put it where you want it to be.
Transparency slider: 
You can change the transparency of the watermark by moving the Transparency slider. The adjustable range is between 0 and 255. When the transparency is 0, the watermark is completely transparent and you will not be able to see it on the video; with the value 255, the watermark is completely opaque.
Adjust the time range when the watermark appears:

By moving the two sliders, you can quickly specify the start and end times between which the watermark is displayed. Then you can click the up or down arrow to the right of the start time or end time edit box for fine tuning.

Background color options for text watermark:

Click to select the radio button Background color : Text watermark will now have a background color. You can select a background color for the text watermark from the color dropdown box.
Click to select the radio button Transparent : This will remove the background color from the text watermark.

Font properties of text watermark:


Font color:
Select a font color from the color drop-down box.

Font selection:
Select a font to use from the font drop-down box.
Font size:
Select the size of font from the font size drop-down box.
Font style:
Click the check box(es) to select font style(s): Bold, Italic, Underline and Strikeout.