To take advantage of the deal, you can claim an initial 30 days for free via the Twitch website. After 60 days, you can then get an additional nine months at no cost. If you already have a Switch Online subscription, then you can simply apply the additional time to your current membership.
Previously, Amazon has given Twitch Prime customers free games, classic games, ad-free streams, online multiplayer with no breaks, and cloud saves, among other benefits.
Head on over to Twitch Prime to take advantage of 12 months of free Nintendo Switch Online today.