Kate Middleton has seemingly recovered enough from her abdominal surgery three and a half weeks ago to now leave Windsor Castle for her separate home in Norfolk, where she’ll join the rest of the royal family. Middleton, 42, will reportedly finish recuperating at Anmer Hall, which she shares with Prince William on the couple’s Sandringham Estate, per People Magazine. “Catherine is recovering well,” a source told The Daily Mail on Friday. “She was looking forward to a change of scene and will be able to take it easy in Norfolk while the children let off steam with William.” The couple will be a…