Click “Unlock Wallet” button on the main page:
Unlock wallet

You will see the menu with three login options:

Login options

Your further steps depend on the method you choose: Keystore File, Mnemonic Phrase or Private Key.

Login with Keystore File

Select Keystore File option in menu and press Continue:

Login with keystore file

Open Keystore File, which was generated when the wallet was created:

Open keystore file

You will see the password input field:

Password input field

Enter the password, which you chose when the wallet was created:

Entering the password

After that, you will see the wallet interface. Congratulations, you’re signed in!

You can also watch a video of the process of entering the wallet with Keystore File:

Login with Mnemonic Phrase

If you already have an Ethereum Classic wallet created with Mnemonic Phrase (Seed phrase), you can sign in using it.
Select the “Mnemonic Phrase” option from the menu and click Continue:

Login with mnemonic phrase

Enter a 12-word Mnemonic Phrase (you can also enter a 24-word mnemonic phrase by clicking the Value switch):

Login with mnemonic phrase

You will see a wallet selection window:

Wallet selection window

Select the wallet you need and check the “I accept Terms” checkbox . Then click on the “Unlock Wallet” button.

After that, you will enter the wallet interface.

Login with Private Key

This is the easiest and fastest way to access your wallet. However, in order to use it, you need to know the Private Key. You can view it in the interface of your wallet by clicking on the Info icon:

Info icon

A pop-up window will appear where you will see your Private Key:

Private key

Copy it and keep it in a safe place. Remember that no one except you should have access to the Private Key of your wallet!
To select Private Key login method, select the corresponding item in the menu:

Login with private key

You will see field to enter Private Key and the “Access Wallet” button, which is not active yet:

Unlock wallet

Enter the private key and the Access Wallet button will become active. Click on it:

Entering wallet with private keyAs a result, just like in previously mentioned cases, you will be taken to the wallet interface.
The process of entering the Private Key is clearly shown in the video: