The 21-year-old checked in to go through a series of tests and meet the staff and his new teammates, before joining them for their pre-season training camp in Spain.
Now, wolves.co.uk guides supporters through each step of his first day as a member of the pack.
#1 | Collins arrives at Compton Park for the first time, ready to meet the Wolves players and staff.
#2 | Head coach Bruno Lage is one of the first people to greet the new defender in his office.
#3 | Collins heads to the canteen, where he meets his new teammates including fellow defender Willy Boly.
#4 | Continuing the tour, Collins takes a look around the dressing room at Compton Park.
#5 | In Wolves training wear for the first time - Collins continues to work his way around the training ground.
#6 | In the company of executive chairman Jeff Shi in his Compton office.
#7 | Another new face, as Collins chats football with technical director Scott Sellars.
#8 | The Republic of Ireland tie - Collins is reunited with under-21 international Connor Ronan.
#9 | Often considered the hive of the training group, Collins makes himself at home in the medical room.
#10 | The hard work begins as the 21-year-old starts the hard graft in the gym.
#11 | New teammates continue to filter through to the gym, as Collins and Nelson Semedo meet for the first time.
#12 | The grind continues with the Wolves medical staff in the gym.
#13 | All times at the sound of a well-earned rest.
#14 | The defender heads out to the training pitch to watch his new team train ahead of the Spain trip.
#15 | Ready for work - Collins joins the squad as they head to Alicante for their pre-season training camp.