Gather spackle or joint compound
Gather a putty knife
Gather sandpaper
Gather a drywall patch or mesh tape
Gather primer
Gather matching paint
Clean the hole area
Remove loose debris
Sand rough edges
Apply mesh tape or drywall patch
Spread joint compound over the patch
Smooth the compound with a putty knife
Let it dry completely
Sand the area smooth
Apply a second coat if needed
Let it dry completely
Sand again
Wipe away dust
Apply primer
Let the primer dry
Paint the patched area