1 year of free AppleTV?

Follow the instructions:

Open the Apple TV app. Make sure your device is running the latest version of iOS, iPadOS, tvOS, or macOS.

Make sure you’re signed in with your Apple ID, it’s all tied into your iCloud account, so you can use your tv plus subscription on other devices you’re signed into.

The offer should be presented immediately after launching the app. If not, go to the Apple TV+ channel page where you’ll see the offer.

Tap Enjoy 1 Year Free - Do not pick The 7 day free trial

Apple TV + Offer

https://support.apple.com/en-us/HT210573

No.

Oh sorry, you need to be within the 90 day window from your activation date, so no you cannot get the free trial.