This Is Why You Should Use More Thermal Paste for Your CPU!

The simplest and fastest explanation as to why using a tiny bit of thermal paste and expecting the CPU cooler to spread it evenly does not work anymore is because over time CPUs themselves have grown bigger in dimensions.

How to Apply Thermal Paste to Your CPU

Can You Reuse Thermal Paste on CPU? — Kooling Monster

How do I apply thermal paste?

Is Applying CPU Thermal Paste Worth It and Mandatory? — Kooling Monster

Spreading a thermal paste: how and how much?

Is the Pre-Applied Thermal Paste on My Cooler Any Good?

What Can You Spread Thermal Paste With? — Kooling Monster

Thermal Paste Application Techniques

How to Apply Thermal Paste - iFixit Repair Guide

Repairing & Avoiding Electronic Faults with Thermal Paste