Can't find the glow node I am trying to add glow to windows on a spaceship design. however, I cannot find anywhere half of the nodes I am seeing online, such as glare or glow. I have textures on my model but turning to cycle render turns it into a particle mess, and I have no idea what 'cycle renders means'. my question: can I find the right nodes in standard Blender Render mode? if not, how do I retain my previous model render look in Cycles Render?
The node editor window has three basic options: 



The nodes you need are in the  compositing mode.

There is no need to switch to cycles to access the compositor.

Please read: https://docs.blender.org/manual/en/dev/editors/node_editor/