Yes, you can.
In Windows:
1. Click Federal
Taxes across the top.
2. Click Other
Tax Situations across the top.
3. Scroll down
to Other Return Info.
4. Click Start by Identity
protection PIN.
In Online:
1. Click Federal
on the left-hand side menu.
2. Click Other
Tax Situations across the top.
3. Scroll
down Identity Protection PIN and click Start or Revisit.