Already Registered Serial Numbers
You can find the serials for your already registered products in your NI user account's section 'My Products and Serials'. Please follow this link:
http://www.native-instruments.com/my-account/my-products-serials-downloads
Not Yet Registered Serial Numbers
TRAKTOR Hardware / Software Bundles
The product box of a TRAKTOR PRO 2 hardware / software bundle contains a registration card like the one pictured below. You can find more information about how to register a TRAKTOR hardware / software bundle in this article.
MASCHINE / KOMPLETE KONTROL Keyboard
The product box of a MASCHINE / KOMPLETE KONTROL keyboard contains a registration card as shown in the picture below. Additionally you can find the hardware serial on the bottom of your controller.
After the registration of the hardware via Native Access, all the included software products will be added to your account automatically and ready for installation from Native Access' tab Not installed. This includes the products from KOMPLETE 11 Select and the Preview Library. The steps to register your hardware are explained in this article.
All NI Software Products Including KOMPLETE Bundles
When purchasing a KOMPLETE bundle on a hard or flash drive, the box includes a registration card similar to the ones shown above.
For any NI software download product you can find the serial in your NI account's section My Products and Serials. Please note that you do not need to register your download product manually. After you have received the confirmation email, your product is shown in Native Access' tab Not installed and is ready for installation.
Legacy Products
You can find the serial numbers of legacy products on the serial number card that came with the product or the installation disk's sleeve. If you kept the original product box, you can find a barcode sticker on the outside displaying a 14-digit number. Please take a picture of the box and send it our Support Team, to receive help with the serials.