How can we Validate Changeset in Salesforce ?

Follow the following steps to Validate a Change Set:
1. From Setup, enter Inbound Change Sets in the Quick Find box, then select Inbound Change Sets.
2. Click Validate next to the change set you want to validate. To review the change set before validating it, click the name of the change set to view its detail page.
3. After the validation completes, click View Results.