Create an Account
The first step to be able to use B2 Cloud Storage is to create an account on Backblaze. If you already have a login at backblaze.com, you can jump ahead and get the command-line tool
Once you have an account, click on "My Settings" to see your account settings, then check the "B2 Cloud Storage" box under "Enabled Products". For more details about setting up your B2 account, see our Help article here.

To find the application key ID that you'll need to access your account, see our Help article here.
Now you're ready to get the command-line tool.