APK is similar to other programming bundles, for example, APPX in Microsoft Windows or a Debian bundle in Debian-based working frameworks. To make an APK record, a program for Android is first gathered utilizing a device, for example, Android Studio or Visual Studio and afterward the entirety of its parts are bundled into one compartment document. An APK document contains the entirety of a program's code, (for example, .dex records), assets, resources, endorsements, and show record. Just like the case with many document designs, APK records can have any name required, yet it might very well be necessitated that the record name closes in the document augmentation for being perceived as such. Designkug

Most Android executions permit clients to physically introduce APK documents solely after they turn on an "Obscure Sources" setting that permits establishment from sources other than believed ones like Google Play. One might do as such for some reasons, for example, during the advancement of applications, to introduce applications not found on the store, or to introduce a more established adaptation of a current application.

At the Windows 11 declaration occasion in June 2021, Microsoft displayed the new Windows Subsystem for Android (WSA) that will empower support for the Android Open Source Project (AOSP) and will permit clients to run Android applications on their Windows work area. Microsoft affirmed clients will actually want to sideload Android applications onto Windows and that it is feasible to introduce APK records downloaded from outsider sources.