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I've tried many scripts, but all of them retrieving another key then product key, that i wrote in start of installation (i remember first symbols). Is there any way to get the right Product key, that i can use for reinstall my SP2013 Standard?

PS script mostly avaible:

function Get-SP2013ProductKey {    
    $map="BCDFGHJKMPQRTVWXY2346789"
    $value = (get-itemproperty "HKLM:\SOFTWARE\Microsoft\Office\15.0\Registration\{90150000-110D-0000-1000-0000000FF1CE}").digitalproductid[0x34..0x42]  
    $ProductKey = "" 
    for ($i = 24; $i -ge 0; $i--) { 
        $r = 0 
        for ($j = 14; $j -ge 0; $j--) { 
            $r = ($r * 256) -bxor $value[$j] 
            $value[$j] = [math]::Floor([double]($r/24)) 
            $r = $r % 24 
        } 
        $ProductKey = $map[$r] + $ProductKey
        if (($i % 5) -eq 0 -and $i -ne 0) { 
            $ProductKey = "-" + $ProductKey
        } 
    } 
    $ProductKey
} 
Get-SP2013ProductKey      

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