To install the ESO addon so that you can import your Elder Scrolls Online roster...

1. Download the addon here. 
   
2. The Addon folder will be named, "GuildLaunchProfiler"
3. Copy that GuildLaunchProfiler folder.
4. Paste it in the ESO directory on your computer:  Documents\Elder Scrolls Online\live\AddOns
5. Log into Elder Scrolls Online.
   
6. Log into any character. The addon will automatically compile guild information upon login.
7. Navigate to Documents\Elder Scrolls Online\live\SavedVariables.
   
8. In the Saved Variables folder, there is a file called GuildLaunchProfiler.lua. This is where the information is contained.
9. Go to the Guild Roster of your Guild Launch site.
   
10. Click the "Roster Imports" link within the section "Roster Imports From the Guild Launch Profiler Mod"
11. Click Choose File on the resulting page. The file you are looking for to upload is in Elder Scrolls Online\live\SavedVariables and it's called "GuildLaunchProfiler.lua"
12. Click Upload. The resulting page will give you a drop down menu for you to select the guild you are trying to import. Select your correct guild and click Continue with Import.
13. Enjoy!