Should I receive an E-voucher after registering Komplete 13 upgrade from Komplete Select?
Yes, states this on the "Buy Now" Page
Download: Installation files, 25,00 € e-voucher for additional KOMPLETE Instruments and Effects or Expansions (valid for 6 months on full-version software downloads only, excluding sales specials).
it can take up to 48hrs to get the voucher...