Asus B9440UA BU404U how to replace thermal paste | replace SSD disk

How to open Asus laptop B9440UA BU404U to replace CPU thermal paste or replace m.2 SSD disk. CPU fans and heatsinks for laptops at Siggmo: https://siggmo.com/product-category/cpu-fans-heatsinks/ Asus laptop spare parts: https://siggmo.com/product-tag/asus/ SSD disks at Siggmo: https://siggmo.com/product-category/ssd-hdd-drives/