PlayStation commonly offers free codes for 14-day trials of PSN Plus. As of 2015, PlayStation also frequently includes free codes for limited PSN Plus memberships in new PlayStation 4 system and game bundles.
Customers commonly find free codes for one-year PSN Plus memberships in game and system bundles that are available at most major retailers, such as GameStop and Wal-Mart. PlayStation Plus membership is a requirement for any online activity on the PlayStation 4.
The PlayStation website, PlayStation.com, offers free codes for 14-day trials of PSN Plus. After the 14-day trial, access to the PlayStation Network is restricted until the customer purchases a new PSN code.