Wikipedia:
On November 6, 2018, Abrams lost the election by 54,723 votes.[65] On November 16, 2018, Abrams announced that she was ending her campaign. She emphasized that her statement was not a concession, because "concession means to acknowledge an action is right, true, or proper"...
Since losing the election, Abrams has repeatedly claimed that the election was not fairly conducted[69] and has declined to call Kemp the legitimate governor of Georgia.[70]
On November 9, 2018, the Atlanta Journal-Constitution reported that its investigation of the 2018 statewide elections in Georgia had found "no evidence ... of systematic malfeasance – or of enough tainted votes to force a runoff election".[73]