OK I add myself into translate account ... its enough?
Yes, you are now authorised to translate. The work you had already done has been put onto User:AmirHP/Introduction. Let me know when you are ready for me to delete the page.
The system handles all the T: tags - just translate each message as you see it in the list. Ask anything you need to, and if you need quicker answers, try IRC, on channel #kde-www. Good luck! and Enjoy!