still that niggling fear that somehow
Have you received that notice from Microsoft: "Windows 7 has reached its End-of-Life... " or something similar? That prompted me to reluctantly upgrade my HP Elite desktop from Windows 7 to Windows 10. You may find my experience amusing. While we're admonished to "Please Back up ALL of your files before proceeding.', not only do I do just that, using a program like Acronis True Image, but I also do one other thing: I buy a replacement HDD or SDD, and clone the original mass storage device before upgrading. In other words, I clone my HDD, then upgrade the cloned disk, saving the pristine original as the ultimate backup. I had previously upgraded my computer from a 1Tb HDD (Toshiba) to a 1Tb SDD (SanDisk Plus). Using my BYTECC cloning machine, the process was easy, no problems. Went smooth as glass. Then when I went to use my cloning machine to clone that 1 Tb SanDisk Plus SDD to another 1Tb HDD, I got the error message, "Source is larger than Target....