To install chrome extension manually you need to unzip the extension first. Follow the steps to load the unpacked extension
- Go to Chrome Settings using three dots on the top right corner select ‘More tools’ and the click on ‘Extensions’. You may also directly visit ‘chrome://extensions’.
- Now, Enable developer mode
- Click on Load Unpacked and select your extension directory.
Your extension will look like below image.
Your popup will look like this.
Need complete information on how to create chrome extension, check this article Create Chrome Extension
you can also check official tutorial from here
