How to setup alerts in SharePoint
1. Document alerts
i) Navigate
to the library that contains the document you want to create an alert for.
ii) Hover
over the item you want to add an alert to, and then click the tick box that
appears to the left to select it
iii) Click
on the Files tab and click on the Alert Me command in the Share
& Track group.
iv) From
the drop-down menu select Set alert on this document and the Alert
dialog box will appear.

v) In
the Delivery Method section, choose how you want to receive your alerts.
vi) In
the Send Alerts for These Changes section, specify whether you want to
be notified when the item or file has been changed by yourself or others. Or,
click Anything changes to be notified whenever any type of change
occurs.
vii) In
the When to Send Alerts section, click the option that reflects how
often you want to be notified of changes.
viii) Click OK.
2. Library alerts
As
well as setting an alert for an individual item, you can create an alert that
monitors all the items in a library.
i) Navigate
to the library required.
ii) In
the Ribbon, select the Library tab, and then select the Alert Me command
in the Share & Track group. If the drop-down menu appears, select Set
an Alert on this Library.
iii) In
the Delivery Method section, choose how you want to receive your alerts.
This may be defaulted to e-mail in your organisation and you may not be offered
a choice.
iv) In
the Send Alerts for These Changes section, specify whether you want to
be notified when the item or file has been changed by yourself or others. Or,
click Anything changes to be notified whenever any type of change
occurs.
v) In
the When to Send Alerts section, click the option that reflects how
often you want to be notified of changes.
vi) Click
OK.