Tutorial for upgrade ram or replace disk at HP-15 da2003nx

How to open laptop HP HP-15 da2003nx to replace hard disk with SSD or to upgrade memory/ram RAM modules at Siggmo: https://siggmo.com/product-category/laptop-ram/ SSD disks at Siggmo: https://siggmo.com/product-category/ssd-hdd-drives/ HP laptop spare parts: https://siggmo.com/product-tag/hp/