Tokens i bought and bonus tokens both will be added and sent to myether wallet that i have updated on the profile? do i need to add some address in myether wallet or nothing?
Yes, if you have entered your myether wallet address into your ins profile. INS Tokens balance can already be viewed with myetherwallet, but the INS Tokens will be sent out on January 8, 2018, so your current INS balance is 0.
Is it necessary to log in and fill the KYC form? Because I forgot to log in my website account before completing the KYC form couple of seconds ago
As far as I know, it is only possible to fill out the KYC form when you are logged in. If you are unsure, I would suggest to request support in the INS Telegram Channel, Admins are very active there and answer within minutes.