01. Underline Text :- Single/Double Line , Strike Through :- Single/Double Line
Click the label text and Right click
Then click Font -> Show Fonts
Then font view will show up and click underline button to make text underline or click strikethrough button to make the text strikethrough.And select single line or double line.
Finally click enter and label will be shown underline or strikethrough according to your selection.
02. Add text shaddow/background blur effects
Get the Font view as the above described and click the effects button.
If you don't See the preview click the show image in settings
Finally change shaddow and offset according to your preferences.