Pre-Black Friday SALE: Friday November 12th - 15% off in EVERYTHING on my store

As Black Friday is coming I want to offer different discounts and promotions in the next 2 weeks.
For this Friday November 12 and Saturday November 13, I will have my Entire store with 15% off

The offer is valid for every single item in my store.
The offer expires November 13th at 11:59 pm.