get with the program

Short definition from Wiktionary

Verb

1. 1
   To become organized, current, or aware; to adopt the prevailing viewpoint.
2. 2
   To work productively toward the objective of a shared enterprise, especially after the objective or the environment has changed.
3. 3
   To comply with the norms of a social group, especially a shared enterprise; to comply with the accepted or prevailing way of doing things.