For register you have to have a company in one of the Virtonomics official realms (except ream "Fast", "Nika" and "Crypto").
Company searching occur in following order: Vera, Olga, Anna, Mary, Lien.
You can not register during the game update (re-calculation) if you have your company only in this realm.
Therefore wait until the game update going to be finished
Registered users can use: calculation of loading top manager or office, browse the table top3 to 300th qualifications expect quality, quantity and CMP products (by choosing the factory or goods) without limiting by technology.