Watching Instagram Stories anonymously can be achieved through various third-party apps and websites that specialize in fetching and displaying #storiesig without notifying the account holder. These tools typically work by entering the username or URL of the #instagram account from which you want to view the Story. However, it's important to use these services responsibly and be aware of potential risks, such as violating Instagram's terms of service or compromising account security. Always prioritize privacy and respect the boundaries set by social media platforms when exploring anonymous viewing options.