Ok... Before anyone says anything, I have researched this and researched this and I have not been able to find a definitive answer. I haven't used Windows since Windows XP and I only once dual-booted Windows/Mac OS on a very old Mac many years ago. I have a 2015 Macbook Air. I want to game and Windows 10 actually looks decent. I obviously do not have Windows 7 or 8 on my MBA. At the same time I've tried to install Windows 8.1, the student edition from Dreamspark. Windows would not install through bootcamp and it lost my boot information for Mac OS so I had to restore from Time Machine. Big hassle, and VERY scary, since this is my only computer and I use it for basically everything in my life (work, school, etc.). Simply put, I am afraid to purchase Windows 10 because I am afraid it will not install, and then I am out 120 dollars. So... my question... I am currently downloading the ISO for Windows 10 from the Microsoft site. If I start a Bootcamp installation using this ISO, can I fully install Windows 10? I have heard that doing a clean install of it will prompt for a product key, but then I can skip that part during installation. Then, Windows 10 will not activate when it is fully installed. The OS will work for 30 days and then require activation. Is this how it works??? If I can fully install Windows 10 using this method, make sure it actually installs and works on my computer, I will happily purchase the product key. Otherwise, I am afraid it is just going to ruin my computer like Windows 8.1 did. Can I do this? Please help!