What does this mean? What to click?

What does this mean? What to click? Can anyone explain… m scared of marking something wrong… i wanto upgrade in r2. Plz help

It is for those who want to change something in their personal details like category, address etc. If you don’t want to do that, then no need to do anything in this window. Just proceed with choice filling.

sir…kindly reply…if one can change the category,etc by unlocking reg in R2?