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If I installed Win10 and want to go back to Win8.1


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9 replies to this topic

#1 dormillie

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Posted 29 August 2017 - 03:08 AM

I have Windows 8.1 preinstalled and "upgraded" to Windows 10. Sadly, I realized my laptop, Lenovo Ideapad Y510p is not Windows 10 supported. If I downgrade, will I still be able to use my Windows 8.1 OEM/BIOS key or will I never get to use it and have to buy another product key/installation disk? My recovery partition is replaced with Windows 10 so I can't rollback to Windows 8.1.

I'm not sure whether Windows 10 is the right forum to ask this but well, considering my laptop isn't win10 supported, it's very unstable with high disk usage and it's bothering me.

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#2 dc3

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Posted 29 August 2017 - 10:30 AM

Your Windows 8.1 product key will still be usable.

 

How long has it been since you upgraded to Windows 10.  Depending on the version of Windows 10 you are using you could only have thirty days to revert back to Windows 8.1 without reinstalling it with installation media.

 

You will find instructions for performing a roll back to Windows 8.1 here.


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#3 britechguy

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Posted 29 August 2017 - 11:09 AM

Even if your laptop is not officially supported the specs it has should make it very easily capable of running Windows 10.   Before you consider rolling back to Windows 8.1 I'd strongly suggest that you take a full user data backup as well as a full system image backup and consider reinstalling Windows 10, particularly if you happen to still be on Version 1607 or earlier.

 

The instructions, Updating Windows 10 using the Windows 10 ISO file, are excellent.  I would try doing the upgrade keeping files and apps first, then if that doesn't help then I'd try again but keeping nothing.   You really have nothing to lose by trying this.

 

If you are absolutely certain that you want to go back to Windows 8.1 then you should still take the backups mentioned above first.  Make certain you have the product key you'll need to activate Windows 8.1, then download the ISO file and create bootable media from the Microsoft Windows 8 Download Page.  There is a Media Creation Tool for Windows 8.1 just like there is for Windows 10.   For myself, I prefer to download the ISO file and then create either a bootable optical drive using the burn utility of my choice or a bootable USB drive using Rufus.

 

In any case, good luck on getting through the process.  It's not difficult but can be tedious.


Brian  AKA  Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134 

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#4 dormillie

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Posted 29 August 2017 - 05:42 PM

Your Windows 8.1 product key will still be usable.
 
How long has it been since you upgraded to Windows 10.  Depending on the version of Windows 10 you are using you could only have thirty days to revert back to Windows 8.1 without reinstalling it with installation media.
 
You will find instructions for performing a roll back to Windows 8.1 here.

I installed it 3 days ago (Sunday). I checked the build and I have 1511.

Edited by dormillie, 29 August 2017 - 05:51 PM.


#5 dc3

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Posted 30 August 2017 - 08:20 AM

Ok, the question is was this a fresh installation or an upgrade?


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#6 britechguy

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Posted 30 August 2017 - 09:49 AM



Ok, the question is was this a fresh installation or an upgrade?

 

How anyone would have media that installed 1511 at this juncture is a mystery.  I would definitely be using either the Update Assistant on the Microsoft Windows 10 Download Page   or the instructions for Updating Windows 10 using the Windows 10 ISO file to get to 1703 before even thinking of rolling back to Windows 8.1.

 

This is regardless of whether a fresh install or upgrade, as the major version updates, for all intents and purposes, reinstall the OS.


Edited by britechguy, 30 August 2017 - 09:53 AM.

Brian  AKA  Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134 

      Memory is a crazy woman that hoards rags and throws away food.

                    ~ Austin O'Malley

 

 

 

              

 


#7 dc3

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Posted 30 August 2017 - 10:11 AM

 



Ok, the question is was this a fresh installation or an upgrade?

 

How anyone would have media that installed 1511 at this juncture is a mystery.  I would definitely be using either the Update Assistant on the Microsoft Windows 10 Download Page   or the instructions for Updating Windows 10 using the Windows 10 ISO file to get to 1703 before even thinking of rolling back to Windows 8.1.

 

This is regardless of whether a fresh install or upgrade, as the major version updates, for all intents and purposes, reinstall the OS.

 

Unless this was a in-place upgrade the OP will not be able to rollback to Windows 8.1.

 

Rollback from Windows 10 to Windows 8.1 / 7


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#8 britechguy

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Posted 30 August 2017 - 10:23 AM

dc3,

 

            I do not use the term "roll back" to only describe using the "Roll back to earlier build" or "Roll back to Windows X" to do it.

 

            At this point the OP has enough information about either updating Windows 10 to its current version and build to see if that fixes the issues occurring (as version 1511 was still relatively unstable) or to go back/return to/roll back to Windows 8.1 by reinstalling it after having backed up all user data, taking a system image, and making an inventory of what programs (AKA desktop apps) would need to be reinstalled after a fresh install of Windows 8.1.

 

            Although Windows 10 has made it easier than ever to update/upgrade and/or reinstall they've created a nightmare with regard to terminology.  Reset (with or without keep my files and, in the case of a version update, add in keep my files and apps), reinstall, and the list goes on, depending on exactly how one is approaching it.  Going back is no less complicated terminology-wise, either.


Brian  AKA  Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134 

      Memory is a crazy woman that hoards rags and throws away food.

                    ~ Austin O'Malley

 

 

 

              

 


#9 Rocky Bennett

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Posted 30 August 2017 - 04:56 PM

 

 



Ok, the question is was this a fresh installation or an upgrade?

 

How anyone would have media that installed 1511 at this juncture is a mystery.  I would definitely be using either the Update Assistant on the Microsoft Windows 10 Download Page   or the instructions for Updating Windows 10 using the Windows 10 ISO file to get to 1703 before even thinking of rolling back to Windows 8.1.

 

This is regardless of whether a fresh install or upgrade, as the major version updates, for all intents and purposes, reinstall the OS.

 

Unless this was a in-place upgrade the OP will not be able to rollback to Windows 8.1.

 

Rollback from Windows 10 to Windows 8.1 / 7

 

 

 

Unless you are using an obscure definition for the word "rollback," this statement is not true at all.


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#10 Rocky Bennett

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Posted 30 August 2017 - 04:58 PM

 

Your Windows 8.1 product key will still be usable.
 
How long has it been since you upgraded to Windows 10.  Depending on the version of Windows 10 you are using you could only have thirty days to revert back to Windows 8.1 without reinstalling it with installation media.
 
You will find instructions for performing a roll back to Windows 8.1 here.

I installed it 3 days ago (Sunday). I checked the build and I have 1511.

 

 

 

How did you install version 1511? Where did you get the installation media for such an ancient version of Windows 10?

 

If your computer ran Windows 8 the chances are very high that it is Windows 10 ready.


 

 



Ok, the question is was this a fresh installation or an upgrade?

 

How anyone would have media that installed 1511 at this juncture is a mystery.  I would definitely be using either the Update Assistant on the Microsoft Windows 10 Download Page   or the instructions for Updating Windows 10 using the Windows 10 ISO file to get to 1703 before even thinking of rolling back to Windows 8.1.

 

This is regardless of whether a fresh install or upgrade, as the major version updates, for all intents and purposes, reinstall the OS.

 

Unless this was a in-place upgrade the OP will not be able to rollback to Windows 8.1.

 

Rollback from Windows 10 to Windows 8.1 / 7

 

 

 

Oh yeah, and that link isn't applicable to this thread.


594965_zpsp5exvyzm.png





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