Hello,
Welcome to Microsoft Q&A!
If you want to sideload your app into another machine, you could check this document: Generate an app package. This is the official document that shows the steps about how to create a sideload app and install it.
I then did some research and found a web page that listed all the steps you had to perform on the code a runnable exe.
Is that web page official documentation from Microsoft? If not, we suggest you use the same way that comes from the official document. And due to the forum policy, we won't suggest other third party links here.
Thank you.
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.