To unscramble 'condenser,' follow these steps: 1. List the letters: C, O, N, D, E, N, S, E, R. 2. Identify common letter pairings, such as 'en,' 'de,' or 'er.' 3. Look for familiar word patterns, such as 'con' at the beginning or 'dense' within the word. 4. Rearrange the letters systematically, starting with the identified patterns. 5. Validate the combinations against a dictionary to ensure they are legitimate words.