There are two methods to set an alarm.
1. Go to Settings> Apps> See all apps>Find Clock and tap it>OPEN. Tap the add icon to create a new alarm.
2. Twice swipe down on your screen to access Quick Settings. Tap on Clock and go to Alarm. Tap the add icon to create a new alarm and adjust the below settings:
1. Repeat: Select a time for your alarms to repeat between Monday to Sunday
2. Label: Add labels for your alarms.
3. Alarm sound: Select a sound for your alarm.
4. Vibrate: Turn vibration on/off.
Tap on the More icon in the upper right corner and go to Settings:
1. Silent After: Automatically silence an alarm after a set period of time.
2. Snooze length: Set snooze length from 1 to 30 mins.
Note:
1. You can set as many alarms as you want
2. The alarm sound will be ring even if the phone is in silent mode