A:AnswerWell I'm not aware of any conversion software out there, I had the same problem but I simply returned the Spanish version for the English version. This was a mistake by the sales person as well as myself for not reading the box with "Spanish" written on the box in small print.
They should differentiate the languages by color as well as making the letters in larger BOLDER print.
A:AnswerI assume your asking if windows will upgrade your Windows 7 PC to Windows 10.
If this is the case then your in luck it will do an update for your system, just make sure to backup all your files.