In this section, we'll go through how to import the private key of an account into the Metamask wallet.
Log in to your Metamask wallet
The first step is to open up the Metamask browser extension and log in. If you're using Chrome you should be able to open Metamask by clicking on the fox icon located to the right of your address bar (see the image below).
If you can't see it, click here. This will open up an interface to your Ethereum wallet.
Since we will import a new private key, for a security reason, save the seed phrase of your current Metamask account by going to: Settings > Securty & Privacy > Reveal Secret Recovery Phrase.
Click on the circle in the top right
You should see a black drop-down menu appear (see image below):
Click on the Import Account button
Click the Import Account button and a window like this will appear.
Enter the private key in the proposed field and click Import.
The private key that you are importing is provided in the console by the Aragon client.
If you are running the Aragon Client, enter the path and type:
