# Using the Mobile App - [Add Account](https://docs.keyless.io/userguide/using-the-mobile-app/link-account.md): Add your first account by scanning a QR code. - [Enable Backup](https://docs.keyless.io/userguide/using-the-mobile-app/enabling-backups.md) - [Delete Account](https://docs.keyless.io/userguide/using-the-mobile-app/de-enroll.md): Delete your Keyless Authenticator Account - [Authentication](https://docs.keyless.io/userguide/using-the-mobile-app/authenticate.md): Authenticate using the Keyless Authenticator - [Windows Login](https://docs.keyless.io/userguide/using-the-mobile-app/authenticate/windows-authentication.md): Learn how to authentication to Windows Workstation - [RDP Authentication](https://docs.keyless.io/userguide/using-the-mobile-app/authenticate/rdp-authentication.md): Learn how to authenticate to desktops using RDP. - [Troubleshooting](https://docs.keyless.io/userguide/using-the-mobile-app/troubleshooting.md): How to troubleshoot common issues - [Android Troubleshooting](https://docs.keyless.io/userguide/using-the-mobile-app/troubleshooting/android-troubleshooting.md): Keyless Authenticator on Android - [iOS Troubleshooting](https://docs.keyless.io/userguide/using-the-mobile-app/troubleshooting/ios-troubleshooting.md): Keyless Authenticator on iOS --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.keyless.io/userguide/using-the-mobile-app.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.