In depth review on Ars : http://arstechnica.co.uk/gadgets/2015/07/review-windows-10-is-the-best-version-yet-once-the-bugs-get-fixed/
Delete Solitaire. If you're that bored, turn of the PC and go outside, read something, talk to someone or even watch TV. It's only there to shove adds down your optical nerve, or give MS a reason to charge you monthly/yearly.
Beef up the privacy settings, by ET: http://www.extremetech.com/extreme/211208-windows-10s-default-privacy-settings-and-controls-leave-much-to-be-desired
Beef up the privacy settings, by Ars :http://arstechnica.com/information-technology/2015/08/windows-10-doesnt-offer-much-privacy-by-default-heres-how-to-fix-it/
"10" tips : http://www.pcmag.com/article2/0,2817,2486406,00.asp If you need tip 9, you need to get your head examined. Why did you get it in your head to buy hardware from MS?
How to get DVD playback back (as they removed it and the Media Center) : http://www.pcworld.com/article/2953724/windows/how-to-play-dvds-in-windows-10-for-free.html
Disabling WifiSense : http://www.pcworld.com/article/2951824/windows/how-to-disable-windows-10s-wi-fi-sense-password-sharing.html
A few things to know that Win10 does now : http://www.pcworld.com/article/2954552/windows/what-windows-7-holdouts-will-miss-11-improvements-in-windows-10.html
10 "hidden features" in Win10 : http://www.pcworld.com/article/2952717/windows/the-10-best-hidden-features-of-windows-10.html
How to remove default apps (like the Xbox app) : https://thomas.vanhoutte.be/miniblog/delete-windows-10-apps/ The curse of DRM (honest users get the ill effects while the ones using pirated software get the better experience) appears to be compounded on Windows 10 :
Maybe you're better off reading it on Rock, Paper Shotgun : http://www.rockpapershotgun.com/2015/08/17/windows-10-safedisc-securom-drm/
So games infected with SecuROM and SafeDisc DRM will not run on Windows 10 without jumping through some hoops. The possible hoops : https://msdn.microsoft.com/en-us/library/windows/hardware/ff553467%28v=vs.85%29.aspx http://www.ngohq.com/?page=dseo
A nice little tool to configure the many privacy and security options in Windows 10 : O&O ShutUp10 : http://www.oo-software.com/en/shutup10
How to install MCE on windows 10 : http://www.windowscentral.com/install-media-center-windows-10