The keys are need to be added to your `.sublime-keymap` file (Preferences > Key Bindings - User) [in the array]. Remember to remove the start & end brackets if needed. All the other files (the macros) need to go in the Packages\User directory. The files that have an "_e" at the end are the macros used to expand (eg. when selection is *not* empty)

downs.sublime-macro

[
    {
		"args":
		{
			"extend": false,
			"to": "bol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"extend": false,
			"to": "bol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"extend": true,
			"to": "eol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"by": "lines",
			"extend": true,
			"forward": true
		},
		"command": "move"
	}
]

downs_e.sublime-macro

[
    {
		"args":
		{
			"by": "lines",
			"extend": true,
			"forward": true
		},
		"command": "move"
	}
]

gistfile1.json

[
{ "keys": ["alt+shift+up"], "command": "run_macro_file", "args": {"file": "Packages/User/ups_e.sublime-macro"} },
{ "keys": ["alt+shift+up"], "command": "run_macro_file", "args": {"file": "Packages/User/ups.sublime-macro"}, "context":
    [    
        { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true }
    ] 
},

{ "keys": ["alt+shift+down"], "command": "run_macro_file", "args": {"file": "Packages/User/downs_e.sublime-macro"} },
{ "keys": ["alt+shift+down"], "command": "run_macro_file", "args": {"file": "Packages/User/downs.sublime-macro"}, "context":
    [    
        { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true }
    ] 
}
]

ups.sublime-macro

[
    {
		"args":
		{
			"extend": false,
			"to": "eol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"extend": true,
			"to": "bol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"by": "lines",
			"extend": true,
			"forward": false
		},
		"command": "move"
	},
	{
		"args":
		{
			"extend": true,
			"to": "bol"
		},
		"command": "move_to"
	}
]

ups_e.sublime-macro

[
    {
		"args":
		{
			"by": "lines",
			"extend": true,
			"forward": false
		},
		"command": "move"
	},
	{
		"args":
		{
			"extend": true,
			"to": "bol"
		},
		"command": "move_to"
	},
	{
		"args":
		{
			"extend": true,
			"to": "bol"
		},
		"command": "move_to"
	}
]