Open this URL in your browser:
https://www.amazon.com/ap/signin?openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.ns.oa2=http%3A%2F%2Fwww.amazon.com%2Fap%2Fext%2Foauth%2F2&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.oa2.client_id=device%3A658490dfb190e494030082836775981fa23be0c2425441860352ba0f55915b43002d&openid.mode=checkid_setup&openid.oa2.scope=device_auth_access&openid.oa2.response_type=code&openid.oa2.code_challenge=cU3Dh_POrEQ4xt63awFD-AYl6krUI3XAgWy77hbwEKk&openid.oa2.code_challenge_method=S256&openid.return_to=https%3A%2F%2Fwww.amazon.com%2Fgp%2Fsendtokindle&openid.ns.pape=http%3A%2F%2Fspecs.openid.net%2Fextensions%2Fpape%2F1.0&openid.pape.max_auth_age=0&accountStatusPolicy=P1&openid.assoc_handle=amzn_device_na&pageId=amzn_device_common_dark&disableLoginPrepopulate=1
Open Amazon Login
Sign in and authorize. You'll be redirected to an Amazon page.
Copy the FULL URL from your browser's address bar and paste it below:
Tip: The authorization code expires in a few minutes. Copy and paste it immediately.