How to apply a particle: 

1. Do /particles.
2. Select "Manage Your Particles".
3. Select "Create A New Particle".
4. Select the desired particle.
5. Select the desired style, and it will automatically be enabled. 

How to remove a particle: 

1. Do /particles.
2. Select "Manage Your Particles".
3. Shift click the particle to delete it. 

How to apply a glow: 

1. Do /glow.
2. Select the desired color. 

How to disable a glow. 

1. Do /glow. 
2. Select "Glowing status"