Windows 10 Activation issues - Microsoft Community

pc used activated windows 10 pro edition says dont have valid digital license though account states have windows activated pc (which used afore mentioned on) , laptop working still.

did upgrade pro version of windows, such windows 7 professional or ultimate or windows 8/8.1 pro?

if did, use windows 7 or 8 product key reactivate.

windows 8.0, windows 8.1 or windows 10 came preinstalled on computer, how find product key?

press windows key + x

click command prompt (admin)

enter following command:

wmic path softwarelicensingservice oa3xoriginalproductkey

hit enter

the product key revealed, copy product key enter it

click start > settings > update & security > activation > change product key enter new product key click next to activate

if unable activate windows 10 after above , have correct edition installed, please attempt phone activation:

activate windows 10 license via microsoft chat support

windows 7 came preinstalled on computer, how find product key?

the product key located on coa sticker attached bottom of laptop or in battery compartment. in rare cases can found in memory compartment. tower systems, @ top or side of system unit. it looks following:

if certificate of authenticity (coa) sticker damaged or letters or not legible, have consider following options:

• use digital camera capture picture of coa enlarge on computer.

• if coa sticker damaged, need use recovery partition reinstall windows 7, exempt need use product key activate windows 7 installation.

• if recovery partition not available or damaged, should contact manufacturer of computer , request recovery disc set can use reinstall windows 7. might charge small shipping , handling fee. exempt need use product key also.

• if none of above options work or not available, best purchase new windows 10 license:

buy windows 10 home/pro

i bought retail box copy of windows 7 or windows 8 or windows 8.1; find product key?

for windows 7, product key can located on pamphlet in inside windows 7 box.

for windows 8 or windows 8.1, product key can found on small business size card inside windows 8 box.

Windows / Windows 10 / Install, upgrade, & activate / PC