WOX

Yes, you can use it all free of charge.

Yes, you can use it for commercial purposes.
In case of commercial use, please operate within Terms of Service .

You can use it immediately after completing user registration.

Please refer to this page for details.
User Manual> User Registration

Once you register your user ID in WOX, you can use all contents as much as you like.

Please refer to recommended environment for recommended operating environment.

Yes, you can use it. However, if another user already used the same ID as the one you used before, you can not use that ID. please note that.

Although it corresponds to the original domain, only premium users (paid members) can use it.