Sure. If you've got a patreon account, just click the link. Then click Kael Tiger, that's the author of FBtW. Then click join free, it'll either be there or under the three dot button. This will send a notification to you anytime Kael makes a patreon post and tell you if it's for paid members or free for anyone.
After Itch.io did the whole getting rid of NSFW stuff, i went through just joining author's i follow patreons as a free member to keep up to date with things.