# App Guide

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