: To successfully sideload a package, it must be signed. WSAppBak generates necessary security certificates ( .cer , .pfx , and .pvk files) to validate the app for local installation.
It automates the complex command-line or permission-heavy steps usually required for APPX management. Cons: wsappbak
Managing APPX packages just got easier. WSAppBak is a dedicated backupper and repacker for Windows Store applications. Essential for dev environments where you need to preserve specific app builds. Wapitiii/WSAppBak on GitHub Wapitiii/WSAppBak: APPX Backupper and Repacker - GitHub : To successfully sideload a package, it must be signed