Export Wallet

To export your private key after logging in via email, click on "Key Export" in the Airdrop Eligibility section. You can find it by clicking on your username.

Then, follow the steps until you obtain the private key, which you can copy and paste.

Now you can insert this key into another wallet (Metamask, Ledger, etc).

Here's the tutorial for Metamask:

https://support.metamask.io/managing-my-wallet/accounts-and-addresses/how-to-import-an-account/#:~:text=Tap%20'Add%20account%20or%20hardware,Import'%20to%20complete%20the%20process.