There are 2 options to install add-on on your Home Assistant
Option 1 (recommended as faster) #
1. Open this link: https://my.home-assistant.io/redirect/supervisor_addon/?addon=8e14ce16_glamos_klet3d&repository_url=https%3A%2F%2Fgithub.com%2Fglamos-tech%2FKlet3D_HA_addon
2. If you see this page, just type your Home Assistant URL and click SAVE.

3. It will ask “Open page in your Home Assistant?”
Click “Open link“

4. If HA URL was correct, it will redirect you to your HA.
It will display pop-up message “Missing add-on repository”,
Click ADD.

5. You can now see GLAMOS Klet3D add-on page.
Click INSTALL.

6. If installation was successful, you will see add-on page with additional options.
We recommend to turn on all available options: “Start on boot” (1), “Watcdog” (2), “Auto update” (3) and “Show in sidebar” (4).

7. Now you can proceed on next part – Setup add-on configuration
Option 2 #
1. Open your Home Assistant and go to Settings -> Add-ons -> Add-on store (button in bottom right corner)
2. At top right corner click on 3 dots and select “Repositories“

3. There is displayed small window titled “Manage add-on repositories”.
Copy this URL: https://github.com/glamos-tech/Klet3D_HA_addon
Paste it in HA field and click ADD.
Close that small window.

4. Refresh the page and scroll until you see “GLAMOS Klet3D Add-on”. Click on that box.

5. You can now see GLAMOS Klet3D add-on page.
Click INSTALL.

6. If installation was successful, you will see add-on page with additional options.
We recommend to turn on all available options: “Start on boot” (1), “Watcdog” (2), “Auto update” (3) and “Show in sidebar” (4).

7. Now you can proceed on next part – Setup add-on configuration
Option 3 – install container version (for e.g. Docker, Proxmox…) #
1. To install Klet3D as container, first download files from Github repository: https://github.com/glamos-tech/Klet3D_HA_docker
To do that open above URL, click on “Code” button (1) to display dropdown menu.
Then choose to download files in ZIP folder (2) OR to use CLI command (3) for download.

2. Follow instructions on next step: 2. Setup add-on configuration LINK