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* Your Antivirus and Firewall software could be removed without warning !!

ok you will eventually presented with the following image.
In the top left corner of the image click on the 3 bars and select Check this Pc.
Its mainly peice of mind, as the upgrade will run this test anyway, so its a quicker way of deciding if you want to go ahead.




You should now see the thumbs up, but look closer !!
I have an app that needs to be uninstalled.
But No warning that my current Antivirus and Firewall will be removed.

The advice is to go to your Antivirus or Firewall software provider and check its compatibility.
If its not compatible the advice would probably be to uninstall prior to the upgrade.
In my case the upgrade removed my Antivirus and Firewall software without any warnings.
And replaced it with Windows Defender and Windows Firewall ?? (At least there is something).



Before I run you through the Install process i want to show you what you need to check before you settle in with Windows 10.
You have the 30 days to to roll back, and you can try again. The roll back does work pretty well.

Windows 10 did not predict any hardware problems only a software conflict / incompatibility.
However windows 10 afterwards Device Manager showed 3 Unknown Devices.
See the image below, under "Other Devices"



Ok Lets Do it !!





I'm Advised to remove the program before continuing, this did show in the PC Check so you cant proceed until you do as it asks.





O yeah i'm ready again



Come on lets get on with it !!

Now the Windows 10 Settings
Don't go Express or Lets Go !!

Custom Settings allows you to make informed choices.
The settings below are MY Choices, yours may be different.







You can change these settings in the future.
The informed choice is yours.

Is windows 10 a download that can be saved in downloads and then copied to dvd/cd or a USB stick to be reloaded as needed.
Saying that, my hard drive 1tb in a win 8 laptop asus k55a has suddenly stopped booting up and I may have to put another formatted hard drive in with no windows 8 on or backup

Yes, does a completely fresh install iirc, you will need the product key and its uncertain what happens in a years time if you install from scratch as the upgrade is only free for a year.

CLICKY

This question has been asked many a time on other forums.

Once you upgrade for free within the 1st year, it is free for life.
The upgrade is registered to your computer's Windows Product Key.

It is advisable to perform the upgrade to verify your free upgrade eligibility and to activate your copy of WIndows 10

After this you can perform a clean install

See http://www.howtogeek.com/224342/how-to-clean-install-windows-10/

The problem is device drivers, while Microsoft may be unlikely to kill a living Windows 10 computer, they have been quite clear that you only have free Windows 10 for "the expected life of your device" - so they could wipe out device drivers from their database and you might not find this out until you to a clean install.