Purchased on a Sunday Iolo Techologies software "Drive Scrubber" and attempt to install the program. The CD has a 3 part 'Activation Code' and the menu for activation has two entries labeled "ID" and "Serial Number". Entered the 3 part Activation Code in the 3 part Serial Number line and put my initials in the ID line. It comes back that it is invalid. Recheck that entered the Activation Code correctly and I had. Still no luck. Check packaging for more code or instructions or contact info etc. Not much luck. Try their web site: www.iolo.com and there is no contact info or menu's for contact. Try another website listed in the material for customer service and locate a telephone number for technical support. I am informed that I have to call on Monday to get the ID and serial number. Of course, there is no information in the packaging material about this. I take the software back to BEST BUY and they refuse to refund my money. Tell me that I have to contact the software company. DONT BUY IOLO software. DONT SHOP AT BEST BUY.