![]() So I saw the other answers on here and needed to chime in.įound strings /sys/firmware/acpi/tables/MSDM sudo hexdump -s 56 -e '"MSDM key: " /29 "%s\n"' /sys/firmware/acpi/tables/MSDM Running the following command will dump the product key in its standard Microsoft format. $ ls /sys/firmware/acpi/tablesĠ0000000 ha ns oo lo oe at es ap pl le sa uc ef or li fe |Key in area|Ġ0000010 cu si ca nb ro ha ms am cu si ca nb ro ha ms am |In key area|Ġ0000020 it sj us ho wz ir ol lz it sj us ho wz ir ol lz |Area in key|Ġ0000000 ha ns oo lo oe at es ap pl le sa uc ef or li fe |It is 5 x 5|Ġ0000010 cu si ca nb ro ha ms am cu si ca nb ro ha ms am |Key in area|Ġ0000020 it sj us ho wz ir ol lz it sj us ho wz ir ol lz |In key area|Ġ0000050 ha ns oo lo ow az he re |Area in key| Windows will have their key in the usual format HAN50-0L00M-4D31T-CR4ZY. You can all so use this code that works as well if the ones above don't work for you or you just want to see the hex output with your key. Even so, if your VM/new computer is ever allowed to connect to the network, it will automatically register the key making your actual installation unusable. The only way you could use the key is if you had never booted into Win8 to begin with or weren't connected to a network when you did. Since Win8 OEM keys are designed to be tied to that specific computer, you'll hit a brick wall if you ask Microsoft to unregister the key so you can use it in a VM, let alone another computer. It should be noted, however, that I used this method to try to install Win8 in a VM using my own product key, but it automatically deactivated saying that the product key was in use. The -b flag causes acpidump to write to a file under all circumstances, so an alternative method is to use the command sudo tail -c+57 /sys/firmware/acpi/tables/MSDMĪ legitimate Windows 8 installer should automatically detect the key in the ACPI and continue installing with the built-in key. New versions of acpidump shipped with Ubuntu work differently than described above. Finally, add an echo at the end to make it terminal-friendly =DĪcpidump -t MSDM will work as well, but the key is broken over multiple lines, making it hard to copy. Since we only need the last part of the table, pipe the output into dd, but but skip the unnecessary junk. I couldn’t activate it either.Another way that doesn't require looking through a ton of output is: sudo acpidump -b -t MSDM | dd bs=1 skip=56 2>/dev/null echoĪcpidump dumps the table (default in hexdump format), but the -b options tells it to output the raw data. You can use slmgr to install your key once you have it, and activate on line hopefully. Suggest you get the OS installed and let it complain and update and see what you can do with the licensing once activation is its only issue. (Coincidence or could those updates have had an impact on older activation systems somehow? TBH I haven’t installed since then.) Though if you need to get Windows installed (for example to retrieve your BIOS key with wmic path SoftwareLicensingService get OA3xOriginalProductKey) you can use a staging key (artile at bottom) to do that – Windows 8 keys will activate Windows 8.1 though you might actually need to phone Microsoft as a series of updates changed the way signing is handled – I had a battle to stay attentive long enough through the endless service announcements to get the right key to press to end up at the right place on Microsoft’s switchboard to activate Windows 7 last time. You might need to update Windows 8 a fair bit before it activates: ![]() Mainly enterprise licensing has download rights, so starting with Windows 10 (probably your best option – have you tried that while you can, just to see?) and going backwards isn’t going to be cheap or easy either: If it never had Windows 8 perhaps consider trying Windows 10 before that option closes? Even re-using a key stripped from another machine could be problematic. ![]() Your prospect of a genuine license seem slim unless you can recover a key the system previously used and get Windows installed to a near condition it was when it was first activated. Sorry I don’t have the “recent” on this, but should it help.
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