Based on the original AiR Team and R2R releases

Both VSTi and RTAS plugin binaries are unlocked - you don't need S/N for expansion packs.

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[1] Use 32-bit/64-bit MSI installer to install Superior Drummer
[2] Install any sound bank, eg. Roots, Metal Foundry, NY Studios v2/v3 etc.
[3] Say thank you to TEAM Air and R2R
[4] Buy if you can afford

If you are the user of Superior Drummer 2.0 release (5 DVD w/Avatar pack) you
can use the installer to upgrade Superior Drummer engine to the newest version. 

Then:

[1] Install 5 DVD original AiR release of Superior Drummer 2.0
[2] Use AiR keygen to authorize your installation
[3] Do not run any shitty executables called patches/upgrades to prevent malware infection
[4] Use this 2.3.1 package to upgrade to the latest version.
[5] Enjoy.


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IF IT IS A FRESH INSTALLATION DON'T FORGET TO INSTALL SOUNDBANK, eg. you want to run the metal foundrty then copy DVD content (whole SL-MetalFoundry folder and its Sound subfolder) to:

C:Program Files (x86)ToontrackSuperiorSuperior Drummer 2.0

The idea of SDX expansion packs is very simple, it's just a directory under this directory, eg.

 Directory of c:Program Files (x86)ToontrackSuperiorSuperior Drummer 2.0

09/13/2013  01:35 AM    <DIR>          .
09/13/2013  01:35 AM    <DIR>          ..
09/13/2013  12:19 AM    <DIR>          SL-Avatar
09/09/2013  10:23 AM    <DIR>          SL-MetalFoundry
05/31/2012  06:00 PM    <DIR>          SL-RootsVol1
09/13/2013  01:35 AM    <DIR>          SL-RootsVol2
09/08/2013  02:52 PM             8,567 SoundInstallerlog.log
06/12/2008  02:32 PM           564,985 Superior Drummer FX Guide.pdf
11/30/2012  05:00 PM         3,973,261 SuperiorDrummer2Manual.pdf
               3 File(s)      4,546,813 bytes
               6 Dir(s)  117,938,593,792 bytes free

you can add or delete it manually... got it?