Installing additional RAM on my Lenovo Flex 2 14 inch

In this tutorial, I will show you how to install additional RAM on Lenovo Flex 2 14". The RAM that I was using for this project is team elite 8GB DDR3 PC3L piece from team. It operates on 1600 MHz. On the laptop, there have already 4 GB RAM from Skynix.
The seller told me that it is OK to install them together.
So, lets do that!
I open the laptop case, and install the RAM on the available slot. Put the case back and run some test. The installation went success, and performance boost have been noted.
Please watch the video for more detail.