A few addons have to be installed manually (or . Some are scripts and need to be installed as described in the documentation)provided with that addon. Some are still in the exploratory stage and have not yet been published to the list used by the [[Gramps_5.2_Wiki_Manual_-_Navigation#Using_the_Addon_Manager|Addon Manager]].

Addons in the exploratory stages tend to be initially posted to the [https://github.com/gramps-project?tab=repositories GitHub Gramps-Project repositories] and have to be manually installed. Be certain to backup your Tree before installing anything. There is a potential for data loss with such preliminary versions.

# Download the compressed file. (Click on a download link from the list of Addons below.; or for unpublished exploratory addons, select the {{man menu|Download ZIP}} option from the {{man button|&lt;> Code}} button's menu in their GitHub repository)# Open the compressed file ( *.ZIP ; *.gz ; *.tgz / etc ...using [https://www.7-zip.org/ download.html 7-zip<small>ZIP</small>] ) and save extract the contents to in your [[Gramps_5.2_Wiki_Manual_-_User_Directory|Gramps User Directory]], in the <code>gramps52/plugins</code> folder.# After manually installing any addons, you need it may be necessary to restart Grampsto register plug-ins again.

{{man note|Addon/Plugin Errors|From Any addons/plugins which failed to load can be identified in the {{man menu|Help > [[Gramps_5.2_Wiki_Manual_-_Plugin_Manager|Plugin Manager]]}} you can see which addons/plugins failed to load by viewing . View the ''Status'' column, and then double clicking -click on such an any entry that shows you the an error. Some may rely on [[Addon:Prerequisites_Checker_Gramplet|prerequisite modules]] that need to be installed.<br/>You can email this error report any errors to the plugin contact.}}