The Samsung device automatically searches for new software updates at regular intervals, and in addition to the automatic search, we can of course also search for updates manually.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Software update
Step 3:  Tap on  Download and install
  1. Open the Settings
  2. Tap on Software update
  3. Tap on Download and install

Samsung Instructions