When you use the wallet for first time you dont have an account. You must remember every block gives 50 pasl coin reward and 5 accounts. The 50 coins is store in one of those accounts. The accounts are in the form of 12345-67, easy to remember number system just like bank accounts.
Now, you must have an account to store your coins into. You can mine on a pool and once you reached 12.25 pasl an account with the 12.25 pasl will be transferred to you through the public key you use. Solo mining is hard now because of high difficulty.
Or you can buy an account in here. Sign up first, the are instructions there on how you can buy an account.
https://accounts.pascallite.com/
pool.
fairpool https://pasl.fairpool.xyz/
suprnova https://pasl.suprnova.cc/
or take a chance and post your public key here. Someone might be generous enough to donate some to you.