Waves typically offers a 7-day fully functional trial for all their plugins, including the TG Mastering Chain. This allows you to test the "Abbey Road vibe" on your own tracks before purchasing.
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: You can access the plugin for free via a 7-day trial of Waves Creative Access . You must sign up for a subscription and provide payment details, but you will not be charged if you cancel within the first 7 days.
: Waves frequently runs promotions where buying a certain number of plugins allows you to choose others for free. Check the Waves Sales page to see if this plugin is currently a "free gift" option.