Our company is dedicated to ensuring user privacy and security while browsing the internet. Recognizing the challenges faced when using shared or public computers, we developed Guest mode in Chrome to prevent websites visited from appearing in the browser history, thus protecting user activities. In Guest mode, users cannot access or modify other Chrome profiles, and once exited, all browsing data is erased to maintain confidentiality. This mode is ideal for lending computers to others or accessing public devices. We emphasize that for private browsing on personal computers, Incognito mode is preferable. Additionally, while Guest mode enhances local privacy, users should only access sensitive sites on trusted devices, as some data may still be visible to network administrators, websites, or