Hello Sir,
If you want to Change your windows from win7 to win10 it's easy. It doesn't deserve all that Money to achieve this. Only it takes few steps (Downloading & installing).I'm a computer geek and I only use win10. I hope I can work with you.
Best Regards.
i have good experience with laptops and computer
i can also help you install programs for your work
i will make your laptop in a good shape and also teach you how to install and update your windows by your self