Can I install windows 8.1 on another pc using an OEM disk

TheRaginGamer

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I'm going to build a new pc for my mum soon and I'm trying to save as much money as possible. I have an OEM windows 8.1 I have already used for my pc. When my dad got a new motherboard he was able to reinstall windows 7 using the same OEM disk but I've also read people saying that the oem disks will only work for a single pc so I'm unsure. I know this is a bit of a naughty thing to do but if anyone has tried this please tell me if it worked.
 
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1 install at a time. You can often use the same license key on a subsequent system, but that is entirely up to MS.
You can't use the same license key on 2 systems at the same time.

giantbucket

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you can use the DISK, but you'll need a new KEY (licence, sticker, code). though when you buy the key you get a disk anyways, so... kinda moot point.

the OS is the only software which people ought to be ok paying for. other apps can be had for free (legally!), so why risk it with the core OS which holds everything together?
 

TheRaginGamer

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Well theoretically yes but I thought the licenses are tied to the motherboard and when I replaced my fathers mobo the same OEM disk was happy to reinstall windows on his pc. This is what's confusing me
 

USAFRet

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1 install at a time. You can often use the same license key on a subsequent system, but that is entirely up to MS.
You can't use the same license key on 2 systems at the same time.
 
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TheRaginGamer

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Alright, but on a side note do you have any experience with Linux, I'm pretty interested in getting that if it won't be a difficult transition for my mother who isn't good with tech
 

giantbucket

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as long as you don't mind being an occasional admin, Linux is quite nice. i've used Ubuntu and Xubuntu (preferred X over U). and it's free. and the forums are quite supportive.

OR you could (attempt to) remove your 8/8.1, use the key to set up HER machine, and install Linux for yourself.
 

USAFRet

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Before making you and mom go down the Linux road:

What is the budget for this?
Where do you live?
What does she use this for?
 

TheRaginGamer

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I don't want to change my part list to fit in the OS, I've made my choice and I know exactly what I want. For the other questions I live in Australia and she will just be using the computer for web surfing and writing documents on word.
 

TheRaginGamer

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Btw I just realised I will lose the Microsoft office package because I'm using a new hdd, could I use her old hdd has a secondary drive and open office from that and also my friend told me something about Linux having its own word like programs that are free, is this true.
 

USAFRet

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The reason I asked, is because for a minimal use PC, often building it yourself is not always the correct solution.
A $350 prebuilt PC, which includes the OS, may well be the right solution.
 

TheRaginGamer

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I understand what you mean but that's just not going to happen, the budget is about $650 aud (reusing 2x4gb ram sticks) and i don't want to give her low quality parts (im aiming for this thing to outlive her lol...im a bad person). And buying a new windows disk is an option, she just doesn't want to spend much money.
 

USAFRet

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$650 can build a pretty overkill system for just web browsing, email, and word processing.

But...the OS is a necessity. You could try Linux. If she doesn't like it, then buy a Windows 8.1 license.
Just remember...you're going to be on the hook as the tech support guy when some small thing she wants installed does not work in the Linux world.
 

TheRaginGamer

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I just always wanted to try Linux but ur right about her needing help when something isn't compatible with it and I won't have any knowledge of the system either so yeah...im a bit sad about that :( and Linux isn't and option for me because I use tons of programs not available on Linux.
But thanks for your input its really helped with me deciding but anyway I gtg now it's past 1 am and I'm busy doing this and finishing assignments lol.
 

Caramac

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No you're going by the license agreements. What can you actually do? Can change hardware under Windows 7 OEM, might have to reactivate. Upgrade the motherboard is not allowed under Windows 8 - it doesn't even have a COA sticker, locked to the motherboard instead. It would transfer to the identical replacement board.
You could forget about Windows 8.1 OEM and buy a System Builder version or even Windows 8 Full online. Since Windows 8.1 is a free download from Microsoft, don't need to buy the actual DVD or USB.
System Builder version has the COA sticker, can transfer but only one use at a time.