@Select Help > Install New Software.. in the menu
@ Check the PropertiesEditor above the picture.
@ Read and accept the license agreements, then click Finish.
If you get a security warning saying that the authenticity or validity of the software can't be established, Just click OK.
If you get a security warning saying that the authenticity or validity of the software can't be established, Just click OK.
@ Select Preferences in the menu.
@ Select General > Editers > File Associations in the side menu.@ Select *.properties in the File Types Box.
@ Select PropertiesEditor in the Associated editors and Click the Default on the right button.