Now you will see something like this then that means your right on track which leads me to believe that you carefully removed the plastic clips when removing the bottom cover

This laptop might not be the most aesthetically pleasing but it’s functional which is really important in this case because that means it’s basically modular you can upgrade the RAM and storage: Upgrading the NVMe or adding a additional HDD or SSD. Note that MSI GF63 has RAM which can be upgraded up to 64GB.