Kaspersky Download Center with download links for Windows, MAC, Android, iOS, Windows Phone
Windows: http://usa.kaspersky.com/files/?file=kis&program=one&lang=en&track=pu_kiskis_usen
MacOSX: http://usa.kaspersky.com/files/?file=ksm&program=one&lang=en&track=pu_kisksm_usen
Android:
https://play.google.com/store/apps/details?id=com.kms.free
iOS:
http://safebrowser.kaspersky.com/
Windows Phone:
http://www.windowsphone.com/en-us/store/app/kaspersky-safe-browser/cbd73e89-9270-4a01-bb22-afbc67002a09
Tools
Kaspersky TDSSKiller: http://support.kaspersky.com/downloads/utils/
Reference: http://usa.kaspersky.com/downloads/purchase/kis-general-license