[ms office - 2010] Please Tell Me Someone Can Save My Ass?!

[L3OUGH]

Hello,

 

I've been having issues with my laptop lately and finally decided to recover back to factory defaults and start again. All was going well until it dawned on me I had Office 2010 installed. At this point it was already to late! I can't believe I've been so stupid. Is there anyway I can get Office 2010 back? I don't have the product key or the original box. However I still have the receipt. Granted it was brought it like 2010 but it's still prove of purchase? If I get in contact with Microsoft will they be able to help?

 

Or am I stuffed?

 

Thanks

 

Liam