Go to your Asset store and click on the icon of the Asset you want to share
Click "I want to..." on the far right
Click "Share"
You can also Share your Asset while editing it. You can do this by also clicking on the "I want to" button on the far right. The rest works exactly the same.
Only if applicable Click "Share as an asset (your response)"
Click "With ATLAS"
Pick the workspace you want to manually submit your Asset. Red cross: you can't share your Asset to this workspace\ Green check mark: you can share your Asset to this workspace
Read the terms of usage
You will also find here information regarding assessment dates and deadlines
Click the "I agree to the terms of usage" field.
Share your asset