Step 1 – Log in to ThemeForest with your Envato account.
Step 2 – Navigate to the Downloads tab. Your all purchases and items appear in this page.
Step 3 – Locate the item which you would like to renewal of support.
Step 4 – You will see the ‘Your support has expired. Renew support now!’ field. Click the ‘Renew support now!’ link on this field.
Step 5 – After clicking, you will be redirected to the item detail page. You can complete your purchase by clicking the Renew Support button in the Overview section.