What should i do with my old Dell Laptop?

Technology
1

i have an Dell latitude E6420 from 2011. i didnt touched it since 2 years, though its still works fine but idk what to do with that. i appreciate any suggestion (if i made a mistake its because im french.)

2

question: what OS it has?
suggestion: maybe try installing ICQ 6.5 with KICQ in it.

3

Windows 10 (Idk what update but i think 23H2?)