You never know if it’ll lead to your computer or phone being bricked, whether you’ll experience some sweet error codes or BSOD’s, or whether you’ll find older software is no longer compatible with the latest and greatest version of XYZ.
But screw you for being careful, you buffoon, even a child can upgrade to Windows 10.
So here’s the lesson: when Windows 10 launches on desktops, laptops, and bigger tablets July 29, 2015, don’t delay. Don’t even do any research. Just hit that big fat upgrade button, you nincompoop. Or else.