It opens the top page of Help.
It shows the version or the copyright of Metasequoia.
It shows the information on Plug-ins and installs the new Plug-ins.
It shows error messages in case the illegal Plug-ins is read or some error is occurred.
It measures the number of drawing sheets per second.
It can confirm which set-up makes the faster view. As the measuring is not so accurate, it is not so effective to use for the comparison with that of other hardware.
It displays the official web site metaseq.net.
It checks an update information from the Internet.
It inputs a serial ID and password that you purchased. It is necessary for removing restrictions on operation.
Please confirm the following items if the license authentication fails: