The reason why ubisoft’s servers is in heavy loads, because when The Division game become online in US. The company records for the most games sold in 24 hours has been broken, although Ubisoft didn’t yet confirmed the exact number of sales, their last best seller games was the WatchDogs that solds more than 4 million of copies in course of a week.
CEP Yves Guillemot said on his blog post “This is a momentous day for Ubisoft, but more importantly it marks the starts of millions of players’ enduring the engagement in The Division’s game world, which we are confident they will love.”
So, if you haven’t yet bought The Division you can digitally buy the game at Ubisoft official store site or on G2A.com and Kinguin.net.