Q: Where do I purchase and download the add-on? A: You have to purchase here, at xfrocks.com. The add-on is not available anywhere else. Q: Can I store attachments at Amazon S3 and use CloudFlare? A: Yes, you can use any CDN providers to distribute your files. We have a HOWTO for CloudFlare here. Q: Can I use Amazon S3 and CloudFront? A: Yes. The add-on supports signed URL for CloudFront, making it possible to both secure your files and deliver them fast. The HOWTO is available here. Q: Can I use Digital Ocean Space? A: Yes. The add-on supports all S3-compatible storage services. For DO, put something like this in your config.php: PHP: $config['bdAttachmentStore_s3Buckets'] = [ 'my-do-space' => [ 'key' => 'ABC123', 'secret' => 'xyz456', 'endpoint' => 'https://my-do-space.nyc3.digitaloceanspaces.com', 'url' => 'https://nyc3.digitaloceanspaces.com/my-do-space', ],]; You will need to replace your DO Space name, key and secret for it to work. After updating config.php, enter "my-do-space" as the bucket name for S3 in XenForo AdminCP options page. Q: Can I use Minio? A: Yes. The add-on supports S3-compatible storage services (see above), you should be able to configure it to work with your Minio cluster. Something like these should work: PHP: $config['bdAttachmentStore_s3Buckets'] = [ 'minio-bucket-name' => [ 'key' => 'ABC123', 'secret' => 'xyz456', 'endpoint' => 'http://minio.domain.com:9000', 'url' => 'http://minio.domain.com:29000/minio-bucket-name', ],];