> For the complete documentation index, see [llms.txt](https://documentation.swing2app.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.swing2app.com/appguide.md).

# App Guide

- [How to use Swing2App Preview](https://documentation.swing2app.com/appguide/swingpreview.md)
- [Application operation](https://documentation.swing2app.com/appguide/appoperation.md)
- [How to convert and use paid apps.](https://documentation.swing2app.com/appguide/appoperation/paidversion-app.md)
- [How to install APK file on your phone](https://documentation.swing2app.com/appguide/appoperation/appinstall.md)
- [How to install apps by sharing](https://documentation.swing2app.com/appguide/appoperation/share-app.md)
- [Free app conversion method after Paid period ends/expires](https://documentation.swing2app.com/appguide/appoperation/freeversionapp-change.md)
- [Download the app after accessing the mobile Swing2App site](https://documentation.swing2app.com/appguide/appoperation/mobile-appinstall.md)
- [Download the app using the app installation link address](https://documentation.swing2app.com/appguide/appoperation/applink-install.md)
- [If you can not install the free version of the app (APK file), please check!](https://documentation.swing2app.com/appguide/appoperation/not-install1.md)
- [If you can not install the paid version app (APK file), please check!](https://documentation.swing2app.com/appguide/appoperation/not-install2.md)
- [Find App Password](https://documentation.swing2app.com/appguide/appoperation/find-apppassword.md)
- [Registering and changing your app profile picture](https://documentation.swing2app.com/appguide/appoperation/changing-appprofilepicture.md)
- [How to re-register with the same ID after leaving the app](https://documentation.swing2app.com/appguide/appoperation/sameid-rejoin.md)
- [Share app](https://documentation.swing2app.com/appguide/appoperation/appshare.md)
- [App – Share your Bulletin Board Posts](https://documentation.swing2app.com/appguide/appoperation/bulletinboard-share.md)
- [How to use the App Administrator menu](https://documentation.swing2app.com/appguide/appoperation/app-administratormenu.md)
- [App Administrator menu: Chat](https://documentation.swing2app.com/appguide/appoperation/appmaster-chat.md)
- [App Administrator Menu: Registering Stamp](https://documentation.swing2app.com/appguide/appoperation/appadministrator-stamp.md)
- [App Administrator Menu: Use Coupon](https://documentation.swing2app.com/appguide/appoperation/appadministrator-coupon.md)