# How to install ".msixbundle" test package ## Pre-steps Be sure that you have already enable developer mode. To do that, you can follow the steps below: 1. Go to "Settings", select "System", go to "Developer Options". ![alt text](image.png) 2. Turn on "Developer Mode" and enable local PowerShell script allowance. ![alt text](image-1.png) Now you are good to go. ## Step 1 Unzip downloaded .zip file, right-click on "install.ps1", select "Run using PowerShell". ![alt text](image-2.png) ## Step 2 Press "Enter" to continue, and agree on the popup window. ![alt text](image-3.png) ## Step 3 Enter "Y" to install cert. ![alt text](image-5.png) ## Step 4 You are good to go now. ![alt text](image-6.png) > If you fail to install it with the previous version installed, please try to uninstall the old one and install it again.