Please capitalize where necessary: -albrecht müller, economist, former campaign manager of willy brandt and head of alternative news portal nachdenkseiten.
A: -Albrecht Müller, Economist, former campaign manager of Willy Brandt and head of alternative news portal NachDenkSeiten.

Please capitalize where necessary: the strange-speaking natives showed us remarkable kindness, for they lighted a fire and made us all welcome because of the pelting rain and the cold.
A: The strange-speaking natives showed us remarkable kindness, for they lighted a fire and made us all welcome because of the pelting rain and the cold.

Please capitalize where necessary: you will need to use internet explorer.
A: You will need to use Internet Explorer.

Please capitalize where necessary: the annual management plan is the work programme of the directorate-general.
A:
The annual management plan is the work programme of the Directorate-General.