Microsoft stopped supporting Windows 7 on January 14th, 2020 which means you are now at risk from hackers and viruses! Avoid problems by upgrading to Windows 10 now!
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I have 20 activation codes/keys for sale, originally intended for PC builders. These are genuine keys and are guaranteed to work but can only be used on one PC (Microsoft's rules).
This price is over 50% off the retail price of Windows 10 and will be sold out quickly!
For an extra 2000 yen I can also give you a USB stick with Windows 10 Professional/Home and instructions on how to use it to simplify your installation.
For an extra 9000 yen I can perform the Windows 10 upgrade myself for you.