Before activating your Tradeshift account, you should have received an email invitation to join Tradeshift. Please note that you should never create an account without having received the invitation.
In case you have not received this invitation, please look for emails with sender: supplierinvitation@tradeshift.com and make sure you are not blocking these emails.
Once you have received your invitation email, please follow these instructions to activate your Tradeshift account.