Ocean77, you would be better off doing what I just did today: create another partition and instead put Win10 on that partition. Even though I specified a clean install ('Custom Installation' rather than 'Keep my files'), and specified a third partition to preserve and wall off Win8.1, Win10 (build 10162) COPIED MY SETTINGS from Win8.1. It didn't copy the right settings, but that could be a bug. It copied the first theme in Win8.0 that I had used the first time I installed it last week. (Then I updated to 8.1.)
Besides, Win10 might break many of the programs you have that work now in 7. It might also break your ability to change BIOS options, so before installing, repeatedly hit F12 or F2, F10 or Alt-F10 immediately after you turn on your machine, to access the 'Bios setup' menu. Make sure that 'Legacy' is selected, not 'UEFI', and make sure your 'boot sequence' is first your usb drive or CD/DVD drive (preferably both) before your hard drive. Finally, make sure your 'fast boot' setting is 'thorough', so if something goes wrong, you can slow the machine down and troubleshoot. That helps you recover better if something goes awry. If you don't know how to find these settings, someone you know will be able to help.
Win10's interface is EXTREMELY limited and foreign, versus Win7; from an interface standpoint, operation is much worse. Much loss of customization. Sure, you can get other themes online, but they are limited, too. Very painstaking process, as always. MSFT never allows you to keep what is familiar and useful.
Example: you can no longer specify colors or font faces or 'classic' like you still can in Windows 7. So the unreadable default fonts in Win10, you're stuck with. Instead, they give you a limited option to size the fonts for title, icon, message box, etc. (Make sure Menu and Icon are at sized to least point 11, or your taskbar/toolbar icons will be too small, your window text as well. Same problem as in Win7.) The old dialogue box with the Appearance tab, is GONE. Very bad change.
I found a bunch of videos on Youtube which demonstrate Win10, folks speaking both for and against it. You can find those links by clicking here and then searching on 'preview videos' until you get to the post which has the links (should be the second hit).
So in Win10, your desktop becomes an amalgam of the Start Screen and the 8.1 desktop, but all your desktop stuff you had, will be gone. This is true no matter how you update. It will take a long time, perhaps all day, to rebuild your desktop. The menu structure is NOTHING like Win7, but rather like the 8.0 Start Screen when you list 'all apps', but now those are put IN the desktop IN a vertical panel, rather than wide screen: still long alpha list, each letter followed by program names which begin with that letter; else. you can only see the most recent programs.
Coming from Win7, you will really find this structure annoying. Very disorienting. Everything about Win7 is moved around, or disappears, or is just no longer available. MSFT touts this interface as 'familiar'. The only thing 'familiar' about it, is that it has a superficial appearance at boot to the Win7 taskbar. Everything else is quite annoyingly different. I can't imagine businesses adopting this thing. Employees won't be able to get their work done, unless the business completely revamps the interface and then imposes it on all employees. Which, to some extent they can still do.
MSFT's stated goal is ONENESS, which they call 'Continuum'. One interface across all devices. Which really means, when you strip out all the hype, lowest common denominator: the phone. So your options to change, personalize, enhance, are limited as they are for your smartphone.
Example, you can change the menu settings only somewhat. You can pin or unpin from the start menu or sometimes the task bar, but to put shortcuts on the desktop you must know where the program is, set your File and Folder Options to show all folders. Then navigate to each program's executable, right click and 'send to desktop' or 'create shortcut'. It's a painful process all over again, because the so-called 'Start Menu', has changed what's allowed to show up there.
I use Win7 on eight computers. Had I 'updated' to 10 on any of them, I'd be totally lost. For the menuing system it caters to, is 8.1's, not 7's.
Features? To actually get something done? Well, search is even worse than even 7's. Everything I tested so far, is worse than 7. All the supposed advantages in the link above, are actually worse than 7 Speech recognition, for example, and Google search are faster and more accurate, than Cortana. To use Cortana, you must opt into sharing all you do on your local machine with MSFT's servers. You will be told that at installation. But at least now at installation, they don't insist on you providing your BIRTHDATE to install.
The new browser, Edge, is much worse than even Internet Explorer, but its version 11 will still be in Win10. But with Edge, if you have pen input or a touchscreen, you can draw circles around websites you like, and send those annotated things to friends, etc. Of course, there are other ways to do the same thing in 7, which are faster. Presently, I see no advantage in Win10. Especially, versus Win7. So for my 19 Windows machines, I have no plans to install it, even though Win10 updates are free for the life of the 'device' onto which it's installed.
So you'll want to keep your 7 if you like how it works. So by partitioning your hard drive (in Win7, click 'Run' and then type diskmgmt.msc for a list of your drives, and right-click over a drive's depiction to get the 'partition' option) -- by partitioning before you install Win10, you will have fewer hassles.
Installation takes about an hour: you will have to provide a current license (i.e., the one on your Win7 machine). After it finishes you will, at boot, have the right to select Win10 or your current 7. So you can decide if you really want Win10, at your own pace. After all, it's free for a year, to install; if you've not installed by July 28, 2016, then you'd have to pay. So now instead, you can save what you have, and make any leisurely changes during that year, to decide if you want to really use Win10, or stay on Win7 (which will be updated through 2020).
You cannot uninstall Win10. That's another reason to make a separate partition. Once it's there, you have forced updates and many other issues you'll run into. But at least if on a separate partition, you can keep using 7.
Hope this helps. Yell at me here or in vimeo if it doesn't.
Edited by brainout, 07 July 2015 - 10:46 PM.