Using PayPal without a bank account
First of all confirm that your jurisdiction allows you to use PayPal directly without first withdrawing to your local bank account.
If you received money in your PayPal account and you subsequently want to make purchases directly with your PayPal account (rather than withdrawing to a bank) then you need to find stores that accept PayPal. Here is a list of just a few of the stores that accept PayPal.
Amazon
Amerisleep
Bitdefender
Hobby Lobby
Netflix
Skill Share
Beyond these store, as a general rule, most software stores tend to accept PayPal. You may also find this list useful.
The above list is provided in an attempt to assist, but may be out of date. Please confirm by visiting the store website to ensure that they currently accept PayPal and that they deliver to your location.