Magento 2 Programmatically set theme for specific stores

You can set theme for specific store using below script.

$objectManager = \Magento\Framework\App\ObjectManager::getInstance(); $config = $objectManager->get("\Magento\Theme\Model\Config"); $storeManager = $objectManager->get('\Magento\Store\Model\StoreManagerInterface'); 

I have used default luma theme ID, You can change it based on theme.

$themeId = 2; $theme = $objectManager->get("\Magento\Theme\Model\ThemeFactory")->create()->load($themeId); 

I have get current storeId, you can set store ID as per your requirement.

$storeId= $storeManager->getStore()->getStoreId(); if ($theme->getId()) { $config->assignToStore($theme,[$storeId],'store'); } 

If you want to set theme based on website then below is the code.

$websiteId = $storeManager->getWebsite()->getId(); if ($theme->getId()) { $config->assignToStore($theme,[$websiteId],'website'); } 

Thanks.