For an automatic installation through WordPress:
- Go to the 'Add New' plugins screen in your WordPress admin area
- Search for 'AddThis Welcome'
- Click 'Install Now' and activate the plugin
For a manual installation via FTP:
- Upload the addthis folder to the
- Activate the plugin through the 'Plugins' screen in your WordPress admin area
To upload the plugin through WordPress, instead of FTP:
- Upload the downloaded zip file on the 'Add New' plugins screen (see the 'Upload' tab) in your WordPress admin area and activate.