User registration

Tenkai is shareware.

A part of its functions is unavailable until you enter password.

The password to enable the unavailable functions is provided when you pay for it.

You can purchase the password at :

http://www.page.sannet.ne.jp/jun_m/tenkai/registration-eng.html

Please read notes carefully before you make payment, and register only if you think it is worthy to pay for these softwares.