McGregor has been known to post and delete furious rants about his victim, recently uploading and removing an angry tirade against Ms Hand on Sunday.
Writing on X, formerly Twitter, he said: āPeople want to hear from me, I needed time. I know I made mistakes.
He added: āI canāt go back and I will move forward. I am beyond grateful to my family, friends and supporters all over the world who have stayed by my side. Thatās it. No more. Getting back to the gym- the fight game awaits!ā
McGregor has been accused of š eš„ attacks on at least four other occasions, all of which were dismissed by police, most recently in Miami last year at the NBA Finals.
She convinced a jury in Dublin that McGregor was lying when he denied he had ābrutally rapedā and ābatteredā her in a hotel penthouse during a drink and cocaine-fuelled Christmas āafter partyā in 2018.
On Monday, game developer IO Interactive revealed they will no longer be working with McGregor, whose voice featured as The Disruptor in the game Hitman.
The UFC fighter denied the claim and prosecutors did not pursue any action over the complaint.
In July 2022 an Irish woman claimed McGregor attacked her on his yacht during a party in Spain, forcing her to jump into the water to escape.
Asked whether McGregor was under investigation, a spokesman for the investigating magistrate said: āI can confirm a court in Ibiza is investigating an Irish national for an alleged crime of wounding.ā