1. First, go on your primary device, the one which already has Arca PE set up.
2. Click on 2. the hamburger icon.
3. Click on “Keys”.
4, Click on the checkbox next to your key.
5. Click on “Export”.
6 Select “Export private key by email”.
7. Enter in email which you plan to use on other device.
8. Click on send.
9.Keep the screen open with the password and open your new device.
10. Download Arca PE on second device.
11. When prompted, select getting your key and lock “From email”.
12. Sign into the account you sent your key to.
13. Go through the browser verification process.
14. Enter the password from your first device. It will look something like this.
15. Select how much mail you want downloaded.
16. Click finish.