Wanna stake some that i have bought

i bought some. only few actually.

i wanna stake can you guys please tell me what to do upon staking like which wallet and how to stake my ADA?

Hello and welcome @testing , we prepared a comprehensive guide here:

i want to delegate to another pool. should i withdraw or just delegate to another pool.

and will the previous pool still gives me the ADA tokens i earned from staking on their pool?