you’re chances of being hit by lightning is probably higher than all 3 copies of your data being inaccessible all at the same time for whatever reason.

10 year old PC is fine especially if its not one of those atom processors and the processor was current at that time. just upgrade the memory, replace the HDD with an SSD and do a fresh win10 install. it will do fine until win10 EOL. i am currently using such 10 year old PC myself as a daily driver.