Hello,
1) If you bought theme new license then your support period is updated and it’s valid for both licenses you have.
2) Your theme is up to date as I can see on the site that you provided. So, what exactly do you need to update?
3) I have updated some settings. Check results:
before – https://gtmetrix.com/reports/roboturkiye.com/ZfofDWx2/
after – https://gtmetrix.com/reports/roboturkiye.com/ltP9dVHc/
Regards