97 Jeep Grand Cherokee ZJ P0132 O2 Sensor Check Engine Light with Part Numbers

How to replace the O2 sensors. Necessary when having Check Engine Light and code P0132. Recommended brand for Jeep O2 sensors is NTK. Part numbers are provided. It's best to replace the O2 sensors in pairs, even if trouble code indicates only one is defective.
Part numbers:
Upstream O2 Sensor www.amazon.com/NGK-23506-Oxyg...
Downstream O2 Sensor www.amazon.com/NGK-23088-Oxyg...
O2 Sensor Socket www.amazon.com/Offset-Oxygen-...