how install xap files or appx files

[lars muylaert]

hello guys ai need helpmy windows phone 10 how to install xap or appx files als on minecraft tried wicth minecraft succesfully installed but when ai click on minecraft wont start so the are appx or xap files on my windows phone 10 updated to windows phone 10 first windows 8.1 and Then windows 10 so who ca help mie that also can to learn installing xap or appx files or is there any other power full file manger that ai can use or only download form microsoft mobile

please