Tools.surf is providing free access to primevideo.com through their extension.
Here is the premium plan coupon for them.
steps to get it.→ Register your account at https://app.tools.surf
→ Confirm your account.
→ then go to this link https://app.tools.surf/order/60816e019b61b53c40a90cfe?coupon=PRIMEHUB1212
→ click on pay. no payment required.
Enjoy 