To manage the AWS S3 bucket setting, go to Online Course > Setting, here you have to enter Access Key ID, Secret Access Key, Bucket Name, and Region.
You can complete the AWS S3 bucket setting in the following two steps -
If you already have an AWS account then you can skip creating an AWS account and just log in to your existing account. To generate Access Key ID and Secret Access Key firstly you need to create an AWS account, for this follow AWS documentation link.
Once the account is created, you will get Access Key ID and Secret Access Key. Please note generated Access Key ID and Secret Access Key for further use.
To create an S3 Bucket please follow AWS documentation https://docs.aws.amazon.com/AmazonS3/latest/userguide/create-bucket-overview.html link.
According to the above link, you can create an S3 bucket by using Amazon S3 console, Amazon S3 APIs, AWS CLI, or AWS SDKs but we recommend using Amazon S3 console to create S3 Bucket.
By following the above link you can create your Bucket name and Region.
Now enter Access Key ID, Secret Access Key, Bucket name, and Region in your setting page, and then click on the Save button.