You might want to back up your wallet for several reasons:
1. To transfer a wallet from one device/browser to another
2. To avoid losing your wallet when you clear cookies on your browser
There are two ways to back up your wallet.
A. By creating a wallet account
Please click here to read about how to create a wallet account.
B. By saving the private key
Click the following link to copy the private key and paste it in a document on your computer to save it: