coa

Why is there no Microsoft Certificate of Authenticity (COA) sticker on in windows 8 preloaed Laptop as in windows 7 and XP preloaded laptop.???:-?

hello, i purchased office 2010 a few days ago. there was an offer that ill get a free speaker. when i registered for the offer, i got a mail asking for the bill and coa number. i gave the bill and the coa number but now hes asking for a scanned copy of the coa label. what should i do? is it...

Model number and details: Windows 7 Ulimate Retail Boxset [Inc. 32-bit & 64-bit] with COA [Certificate of Authenticity] Date of purchase: Sometime during Dec 2010 end @ U.S. Reason for sale: Extra copies that were bought for friends of mine that got leftover (3 available) Expected...

Please,how to get product key for original xp disc? I have an original XP OEM (I got it from a telecom company's office.Please don't ask abt the sources.I am not sure if its OEM or not) CD.The people who gave me have also left the place.Its from an HCL PC. Is there anway of obtaining...

i had windows xp home (OEM) pre-installed when i bought my PC.... The COA was pasted on the top of the CPU cabinet ,on which the product key for XP was printed... But when i used a CD key reader(not a key gen) software to know what cd key is used to install xp....i found that it was different...