Why aren't apps installing on my Lumia 630?

[Windows Central Question]

apps not installing on lumia 630

just got lumia 630, the following apps wont install( facebook, battery saver, music, calendar, games, one drive, motion data, device hub and skype) saying attention required and when i click try again it loads up to a certain percentage then stops...and the whole cycle continues.
this has been on for two days.

 

[dKp1977]

Are these updates or new installations? I would cancel each download, restart the device, check for updates and initiate the downloads again. This usually fixes said issue.

 

[Harrie-S]

Go to SETTINGS > EMAILS + ACCOUNTS and tap on your Microsoft account and sync it.
Check if date and time are correct.