If you're a registered user of iDrum, you can download the complete iDrum Factory Content from your iZotope customer account.

Just sign into your account, and select the "iDrum Content" option from the menu on the left.

From here, you will be able to download PC/Mac versions of your Factory Content, as well as Extra Loops, Kits, and Skins to customize and expand your copy of iDrum.