Facing Issues in upgrading to Windows 10 ?
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If you have Windows 7, 8, or 8.1 already on your computer, and you have a reasonably fast internet connection, the download should take 45 minutes, and the installation about an hour, but if you install anti-virus and firewall software (and you should; even Microsoft admits their own security software is not as good as it should be), it will add another half-hour.
if your computer has no OS on it, and you want to install a fresh copy, you have to download Windows 10 onto a DVD-R or BLU-RAY or a thumb-drive (minimum size: 8 GB), and while you can put the 32-bit and 64-bit versions of one version of Windows, don’t try putting another version (like W10 and W7 or W8), because every new ISO of windows seems to wipe out anything else on the disk. Just one Windows ISO per thumb-drive. More instructions can be found here () and here ( ). That process will add at least 45 minutes to an hour to the above time-line.
But to be frank, I’ve done Windows installations (I am a sysadmin/ computer tech / IT consultant), that have taken anywhere from four to eighteen hours. It depends on how much customization is involved, how slow or fast the Internet connection is, and how old the computer is. I can assure you, if your machine only meets the minimums, you are going to be at the installation a long, long time. Faster is always better for Windows machines and their installs.
If you want the system to run faster, buy an SSD (solid state drive) hard drive and put Windows on it, but put the My Documents folder (and its parent) on the current hard drive, which I take to be a spindle/platter SATA drive. Do defrag the spindle/platter SATA drive; DO NOT defrag the SSD. It doesn’t need it, and you’ll actually shorten its lifespan.