Windows 10: Sony VAIO laptop Product key sticker erased

My Sony VAIO laptop came with Windows 7 and had a product key at its bottom which is now worn off and few numbers/digits are not readable. I have made various fresh installs but i still have access to the recovery partition and recovery media. If i install windows 7 from the recovery, will i still need the product key or will it activate automatically? And if it does activate automatically, can i then upgrade to licensed win 10 ?

:)

 

Product key on Sony Vaio laptop

Hello,

I have the product key for Windows 7 which I received with my Sony Vaio laptop when I purchased it. Can I use this product key to upgrade to Windows 10. I'd like to install Windows 10 on my new SSD hard drive. Thank You in advance for Your support.

Stefan

 

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upgrading laptop Sony VAIO SVE14137CN from windows 8.1 to windows 10

After upgrading laptop Sony VAIO SVE14137CN from windows 8.1 to windows 10, Blue tooth is not working:

• After scan the android device is paired and connected.
• Files are sent from Laptop and received in the android phone perfectly.
• BUT Laptop does not receive the file sent from the other device. Message Displayed on the sending device says "Connection failed-File transfer failed".

As advised by Sony Community driver was re installed and also updated, but the transfer through Bluetooth did not resolve.

Kindly, advise for steps to resolve the issue.

Narendra Lal