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Now that we know what the Angular CLI is, let's install it on our system.
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Before we can use the Angular CLI
to create a new project,
0:00
we need to install it on our system.
0:03
Before we do that, we need to verify
that we have Node and NPM installed and
0:06
what versions we're currently running.
0:10
The CLI and the Angular project that it
will generate will have dependencies that
0:12
require Node 6.9.0 or higher,
together with NPM 3 or higher.
0:17
Luckily, doing this is easy to do.
0:24
Let's open an instance of the terminal
by pressing Cmd + space bar
0:27
to open Spotlight Search on Mac OS.
0:31
Then we can type the first part of
the word terminal and press Enter.
0:35
If you're on Windows,
you can press the Windows key or
0:41
click on the Start button and type
command to search for the command prompt.
0:45
Then to verify that Node is installed,
type at the prompt, the command, node- v.
0:50
If you have Node installed,
you'll see what version you're running.
0:57
We can see here that I'm
running version 9.3.0.
1:01
You can do the same for
NPM by typing the command, npm-v.
1:05
If you don't have either Node or
NPM installed or
1:11
you don't have current enough versions
installed, go ahead an pause the video and
1:14
install or update your installations.
1:18
See the Teacher's Notes for links that
can help guide you through the process.
1:22
Now let's install
the Angular CLI by running
1:26
the command npm install -g @angular/cli.
1:31
The -g option tells the NPM
package manager to install
1:37
the Angular CLI globally.
1:41
That'll make the CLI commands available
from within any directory in our system.
1:44
Go ahead and
press Enter to run the command.
1:50
Now that we've installed the CLI, we'll
have the ng command available globally.
1:58
To verify this, we can run the command ng
2:03
which displays a list of
the available commands and options.
2:07
I'll press Cmd +- a bit to
reduce the size of my font.
2:10
That'll make it easier to
review the list of commands.
2:15
As you can see, there are a fair number
of commands and options available.
2:18
To see information about a specific
command, we can run the command ng help,
2:29
followed by the CLI command we want to
learn more about, say, the new command.
2:33
Or we can type ng new,
2:41
followed by--help to do
exactly the same thing.
2:44
Now that we have the CLI installed,
2:49
we're ready to create our first
app which is what we'll do next.
2:52
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