AFC Bournemouth brought in four players in goalkeepers Fraser Forster and Christos Mandas, midfielder Alex Toth and forward Rayan.
The lost Antoine Semenyo to Manchester City at the beginning of the window, but reinvested some of the £62.5million fee into Toth and Rayan.
Read more:
Reflecting on the window, Iraola said: “When you finish a transfer window, at the end time will tell.
“I think it was probably a difficult transfer window for everyone because when you lose a player like Antoine Semenyo that has been so important, but we've done the best we could, and I think we've signed good players.
“I'm happy with all the players that we've signed, the two outfield players and the keepers, and I hope they can perform and give us a lot of things. But it was a difficult transfer window for us because we had a lot to replace in terms of quality.”
Asked if he felt the club had used the window to show their backing of him and to give him the tools he needed to succeed, Iraola said: “No, it's not about me. I think it's not about me.
“Definitely it's not about me. I think I've said it a lot of times, I don't sign players.
“I've never done it, and it hasn't been difficult. I try to help the club. And when you sign a player, you have the hope that it's going to be successful and it's going to be a good signing for you.
“But you never know. You never know. I think we've done the work with the best of our intentions.
“Now we have to see if we were right or we were not right, like everyone else. Because when you sign players, especially that they are coming very young from different environments, and you never know how it's going to develop.”
Bournemouth's Alex Scott (centre) celebrates with team-mates Rayan (left) and Alex Toth after scoring their side's second goal of the game during the Premier League match at Molineux Stadium, Wolverhampton. (Image: Jacob King/PA Wire)
On the exciting young squad that the Cherries have assembled, Iraola said: “I think it's a moment with a lot of changes in the club. We've changed, I think, more than half of the squad in this last year.
“So there are a lot of new faces, a lot of young players that we don't know their ceiling. We will try to help them so they can develop and give us very good performances.
“And we are, I think it has been all the season like this with the summer signings and now with the winter signings, we are trying to get everything together.
“This will need more time. I think some of the summer signings have adapted really well and are already almost a guarantee for us, and we have to do the same with others.”