Sign in

There is no account to create. Use the same work account you already sign in to email with — Microsoft if your company runs Microsoft 365, Google if it runs Google Workspace. Nothing is installed and you are not setting a new password.

If your company runs neither, your work address still works. A Google account can be created with an email address you already have — it does not have to be a Gmail one — and that is what you sign in with here. Google's own instructions are under Create a Google Account; pick "Use an existing email address" rather than making a new Gmail address.

Either way the first attempt may be refused, because addresses and organisations are let in one at a time. The next screen says so, an administrator is told automatically, and there is nobody you need to write to — sign in again once you hear back. The same goes if Arena does not recognise you afterwards.