How to disassemble an Asus x555 k555 f555 without losing warranty?

How to disassemble an Asus x555 k555 f555 without losing warranty?

Hi, at first sorry for my english, i need an important information, i need to upgrade my asus with an ssd, but i don't want to lose warranty, so i will disassembly my PC, change the HDD with an SSD and re-assembly.