"Well, let me make it absolutely clear, I'm not buying into the Nazi ideology. I'm totally against what the Nazis did."
"I did buy a cigar holder of Churchill and I did buy a pen of Stalin."
Mr Dotcom said the items including Mein Kampf were "out there and they're worth a lot of money and I think in another 100 years that book will probably go up in value times ten".
"I don't know if it's an ethical investment but I gotta tell you this, if anyone is trying to take this and use this against me, I think it's clearly wrong because you've got to look at who I am, right. I have all this foreign stuff."
Mr Dotcom's admission comes ahead of the Internet Party's membership drive launch tomorrow and may be a bid head off attacks on him and the party given 3News reported that Dotcom's enemies were also aware he owned the book.
It also comes just days after he and Mana Party Leader Hone Harawira confirmed they had been in talks over a potential alliance to contest this year's election.