1. With your PrestaShop admin panel, go to the Shop Parameters -> General section.
2. Find Enable Multistore option and select YES
3. go to the Advanced Parameters -> General section.
4. Click on Add New shop Button.
5. Fill up New Store details.
6. Now, you see Created New multishop click on a new show URL
7. Now, you need to set Multishop URL, and then you’re multishop ready to use.