Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I have added armature. I need to set weights but the mode is not there.
That menu is dependant on what object you have selected. You need to select the object you want to weight paint, not the armature that will be controlling that object, then the option to weight paint will appear in that menu.
Required, but never shown