I purchased a wrong Windows / Office version. Can I change it? Kinguin Support Team July 15, 2021 12:53 Updated Have you purchased a key for a different version of Windows / Office software than you've intendent? Do not worry, if you do not want to install it, please contact our customer support . Related articles What is an Online Activation key? Activation issues What is an OEM key? What Windows version should I choose? I cannot activate the key - what to do? Comments 0 comments Article is closed for comments.