go to the premium tab. You should see your license there. Click "upgrade or extend". The prices will appear. In general you pay the price difference
go to the premium tab. You should see your license there. Click "upgrade or extend". The prices will appear. In general you pay the price differenceIt could be more after the first month since I think it extends the year of updates.
It could be more after the first month since I think it extends the year of updates.