Ronaldo, who was top scorer in Serie A last season, has 12 months remaining on his contract at Juventus but has expressed no desire to leave.
Ronaldo, the first player to score in five World Cups, has only one goal in Qatar which came in Portugal's group opener against Ghana.
"It is a story that I wanted to tell in my own words, about what happened. I feel it is the biggest story of my career and I thought that I held it for too long by myself and that I needed to share it with other people. The moment was now and (being in) Madrid, on the eve of El Clasico on Sunday, was the perfect occasion to make it happen," the former striker said.
Maurizio Sarri says he found Cristiano Ronaldo difficult to manage during his time in charge of Juventus, as he had to consider the 'personal interests' of the Portugal striker.
Cristiano Ronaldo capped his first full Saudi Pro League season in style as he broke the record for the most goals scored in one campaign.
'It will (be) a (time for) reflection for him, but also for everyone else. Football is a team sport and you have to fulfil certain standards. And I have to control it.'
Images from the Euro 2024 Round of 16 match between Portugal and Slovenia, at Frankfurt Arena, Frankfurt, Germany, on Monday.
Defender Luke Shaw, who made a series of defensive errors alongside captain Harry Maguire on Sunday, echoed Ronaldo's comments.
The Verge reported that James, who has previously said he would not pay for verification, had not paid to keep the checkmark.
Cristiano Ronaldo tucked away a penalty and slammed home a free kick as he set a new record for the most international caps
Manchester United forward Cristiano Ronaldo will not play against Liverpool
A statement from Premier League club on Friday evening read: "Manchester United is delighted to confirm that the club has reached agreement with Juventus for the transfer of Cristiano Ronaldo, subject to agreement of personal terms, visa and medical."
Ronaldo answered his critics five minutes after halftime with a superb finish
Ronaldo enjoyed a dream first appearance on his return to the club, scoring two goals in the 4-1 home victory over Newcastle United.
CR7's social media posts of late have been of him relaxing in scenic places.
Juventus forward Cristiano Ronaldo was named Serie A's Player of the Year for the 2019-20 season at the Gran Gala del Calcio on Friday.
A defensive mix-up doubled their lead when Bayindir wandered out of his goal to collect a misplaced pass towards Ronaldo, only to watch Akaydin's backpass roll past him in slow motion.
Portugal could qualify early for the next phase of the World Cup with a game remaining if they beat Uruguay on Monday, a task probably much easier said than done.
Portugal's Cristiano Ronaldo netted twice against Hungary to move beyond France's Michel Platini as the record goalscorer at European Championship finals, taking his tally to 11 at the Puskas Area in Budapest on Tuesday.
Ronaldo's 62nd minute strike was his 17th league goal this season
'It's still my motivation to carry on working hard, to still love the passion for the game, and of course Manchester and my teammates help me all the way so I have to appreciate all the people who help Cristiano.'
With the league paused for the international break, Ronaldo is expected to play his first game when United host Newcastle United at old Trafford on September 11.
Cristiano Ronaldo broke the all-time international goalscoring record on Wednesday in a stunning late show for his side, with his 110th and 111th Portugal goals taking him past Iranian great Ali Daei's mark.
Ronaldo moved Coca Cola bottles aside as he sat down to speak to the media on the eve of Tuesday's Group F opener against Hungary in Budapest.
'I cannot wait to play at Old Trafford in front of a full stadium and see all the fans again.'
A huge fan of Cristiano Ronaldo, India's star batter Virat Kohli says he would do a scan of his brain if he wakes up one day as the Portuguese football icon.
CR7 started the game against the Toons in his second debut at Old Trafford.
European champions Spain claimed a place in the Nations League quarter-finals with a 3-0 home win over Serbia.
'Oh, I need competition. When someone says he's better than me, I want to transcend him. Ronaldo wants to be the best at everything, (France striker Kylian) Mbappe also wants to win everything.'
Images from Saturday's English Premier League matches.
Indian freestyle wrestlers claim Asian team title in U-17 category
Cristiano Ronaldo scored twice as Portugal swept to an emphatic 4-0 victory over Switzerland in their UEFA Nations League clash at the Estadio Jose Alvalade in Lisbon on Sunday.
Two penalties from Cristiano Ronaldo helped holders Portugal squeeze into the last 16 of the European Championship after a 2-2 draw with France on Wednesday in a dramatic conclusion to Euro 2020 Group F.
Juventus coach Massimiliano Allegri said Cristiano Ronaldo has told him that he will stay at the club this season, something the new boss believes guarantees goals for the Serie A giants.
Skipper Cristiano Ronaldo celebrated becoming the first player to appear in five European Championships with a brace as Portugal got their title defence off to a winning start with a 3-0 victory over a determined Hungary, in Budapest, on Tuesday.
Images from the Euro 2024 quarter-final between Portugal and France, at Hamburg Volksparkstadion, Germany, on Friday.
Meet the best-dressed celebs from the 79th Venice International Film Festival.
Juventus are desperate to win a first Champions League title in a quarter of a century
His records are a witness of his greatness. The year-on-year improvement speaks volumes of the Ronaldo's commitment.
They say never go back, but United fans had been longing for Ronaldo to rejoin their side for many years, more in forlorn hope than anything else.