How do you enable or disable tweet replies from non-followers on Twitter?

Twitter doesn't provide a built-in feature that allows users to directly enable or disable tweet replies from non-followers on the platform. By default, anyone can reply to your tweets, whether they follow you or not.

However, there are a few ways you can indirectly control who can reply to your tweets:

1. **Protect Your Tweets**: You can protect your tweets, which means only your approved followers can see your tweets and reply to them. To protect your tweets:
   - Go to your Twitter settings.
   - Under the "Privacy and safety" section, select "Audience and tagging".
   - Check the box next to "Protect your Tweets" to make your tweets private.

2. **Adjust Audience Settings**: When composing a tweet, you can adjust the audience settings to limit who can reply to your tweet. You can choose to make your tweet visible to "Everyone" (default), "People you follow", or "Only people you mention". Note that these settings apply to who can see your tweet and reply to it, but they don't directly disable replies from non-followers.

3. **Mute or Block Users**: If there are specific users who frequently reply to your tweets and you'd prefer they didn't, you can mute or block them. Muting a user prevents their tweets and notifications from appearing in your timeline or notifications tab, while blocking a user prevents them from interacting with you on Twitter altogether.

While these options provide some control over who can reply to your tweets, Twitter doesn't offer a direct way to enable or disable replies from non-followers once a tweet has been posted. However, protecting your tweets or adjusting your audience settings can help limit who can see and reply to your tweets.