1. From Setup, either:Enter Permission Sets in the Quick Findbox, then select Permission Sets, orEnter Profiles in the Quick Find box, thenselect Profiles
2. Enter Permission Sets in the Quick Findbox, then select Permission Sets, or
3. Enter Profiles in the Quick Find box, thenselect Profiles
4. Select a permission set or profile.
5. Do one of the following:Permission sets or enhanced profile user interface—In the Find Settings... box, enter the name of the tab you want and select it from thelist, then click Edit.Original profile user interface—Click Edit, then scroll to the TabSettings section.
6. Permission sets or enhanced profile user interface—In the Find Settings... box, enter the name of the tab you want and select it from thelist, then click Edit.
7. Original profile user interface—Click Edit, then scroll to the TabSettings section.
8. Specify the tab settings.
9. (Original profile user interface only) To reset users’ tab customizations to the tab visibility settings that you specify, select Overwrite users' personal tab customizations.
10. Click Save.