An owner can manually download software if they don't wish to edit for it to appear in the software update section in the phone itself.
Take a look on sammobile and xdadevelopers.com and use Google Search that explains what can be done to achieve this and how to be particular careful about doing so.
Personally I prefer to wait.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
Updates are rolled out in batches based on factors such as network, location and purchase date, so they won't reach everyone at once. What I'd suggest is heading to Settings > Software Update > Auto Download Over Wi-Fi, and this way you can grab the update as and when it becomes available to you. I'd also advise against downloading the update from a third party site where possible, to avoid any potential compatibility issues.