Good afternoon, Regarding this gaming pc, could you please tell me the name of the cooling system, type (fans only or liquid) and its manufacturer? Thank you very much in advance.

A 36-month / 3-year or 48-month / 4-year warranty refers to the total duration of the warranty from the date of receiving the goods. Compared to standard statutory rights, this gives you an additional 12 months / 1 year or 24 months / 2 years, respectively, to file a claim.