Before I start the rendering process, I give the render property editor settings a once over.

Image:
– Image Size: 1080 x 1080 Pixels
– Resolution (ppi): 300
– Background Color: Choose a solid colour that complements your scene
– Texture: None
– Image Format: PNG

Lighting:
– Preset: Swimming Pool

Render:
– Engine: GPU
– Finish Conditions: Noise Threshold 0.001
– Quality: Set both Light and Material to Very High

That’s all there is to it. 

With these settings, I have a high-quality render ready for social media.