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OEM vs. Upgrade

post #1 of 9
Thread Starter 
I'm building a new computer, and cannot find or get a straight answer anywhere....

How does the installation process of an upgrade copy of windows work. Do you need to install xp/vista EACH time you are going reformat? Or do you only have to do it the first time? Or never? Do you just need an xp/vista key?

I ask this because I can get a 7 professional upgrade for $30, or a 7 home oem for $99.

Thanks.
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post #2 of 9
as long as it isnt the anytime upgrade the professional is all you need
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post #3 of 9
If you get the Windows 7 Professional upgrade (assuming it's from the Ultimate Steal), you just pop in the DVD when reformatting.
You don't need to install XP/Vista every time you reformat. I'm not exactly sure how to interpret this but if you are asking to reformat, install XP/Vista then 7, then no. Just back up your stuff and boot from DVD and install 7.
    
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post #4 of 9
Thread Starter 
Quote:
Originally Posted by intelfan View Post
If you get the Windows 7 Professional upgrade (assuming it's from the Ultimate Steal), you just pop in the DVD when reformatting.
You don't need to install XP/Vista every time you reformat. I'm not exactly sure how to interpret this but if you are asking to reformat, install XP/Vista then 7, then no. Just back up your stuff and boot from DVD and install 7.
Ok, that is all I needed thank you.
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post #5 of 9
Yeah, no problem. Good luck. I'm about to do the same thing but my DVD burner can't recognize DVDs.
    
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post #6 of 9
Thread Starter 
Well you were wrong..... I just got an alert saying I had 15 days left to activate windows...

I enter the product key, and get the message "the software licensing software service determined that this product key can only be used for upgrading, not for clean installations"... Why do I listen to people on the internet... so ******* mad.
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post #7 of 9
Quote:
Originally Posted by Kreeker View Post
Well you were wrong..... I just got an alert saying I had 15 days left to activate windows...

I enter the product key, and get the message "the software licensing software service determined that this product key can only be used for upgrading, not for clean installations"... Why do I listen to people on the internet... so ******* mad.
Quote:
Locate HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/OOBE/
Change MediaBootInstall from "1" to "0". (Double-click it and then enter 0 in the dialog that appears.)

Run cmd as administrator
type: slmgr /rearm
Then tap ENTER and wait for the "Command completed successfully" dialog.
source

apparently this works every time. gl

EDIT: found this info here
Edited by travesty - 6/28/11 at 3:35pm
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by travesty View Post
source

apparently this works every time. gl

EDIT: found this info here
Thanks a lot!

So far, so good. I'll report back if it didn't actually work...
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by Kreeker View Post
Thanks a lot!

So far, so good. I'll report back if it didn't actually work...
It's back.... but it seems as though the counter reset as it says 27 days instead of 14 days.... ***...
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