I can't find original purchase receipt and purchase date of my MacBook

To whom it may concern,

I'm lodging a content insurance for my MacBook. However, I can't find the original purchase receipt and its precisely purchase date.

Would you please help me to find out the information required above?

Serial# C0***THX

Please let me know if there further information required for my enquiry.

Kind regards,

Xu

[Edited by Moderator]