--- post_title: How to enable HPOS --- From WooCommerce 8.2, released on October 2023, HPOS is enabled by default for new installations. Existing stores can switch to the "High-Performance Order Storage" from "WordPress Posts Storage" by following the below steps. To activate High-Performance Order Storage, existing stores will firs t need to get both the posts and orders table in sync, which can be done by turning on the setting "**Enable compatibility mode (synchronizes orders to the posts table)**". 1. Navigate to **WooCommerce > Settings > Advanced > Features** 2. Turn on the **"Enable compatibility mode (synchronizes orders to the posts table)"** setting. ![Enable HPOS Screen](https://woo-docs-multi-com.go-vip.net/wp-content/uploads/2023/12/New-Project-4.jpg) 3. Once this setting is activated, background actions will be scheduled. - The action `wc_schedule_pending_batch_process` checks whether there are orders that need to be backfilled. - If there are, it schedules another action `wc_run_batch_process` that actually backfills the orders to post storage. - You can either wait for these actions to run on their own, which should be quite soon, or you can go to **WooCommerce > Status > Scheduled Actions**, find the actions and click on the run button. - The action will backfill 25 orders at a time, if there are more orders to be synced, then more actions will be scheduled as soon as the previous actions are completed. ![wc_schedule_pending_batch_process Screen](https://woo-docs-multi-com.go-vip.net/wp-content/uploads/2023/12/2.jpg) ![wc_run_batch_process Screen](https://woo-docs-multi-com.go-vip.net/wp-content/uploads/2023/12/New-Project-5.jpg) 4. After both tables are successfully synchronized, you'll be able to select the option to switch to High-Performance Order Storage (HPOS). - It is advisable to maintain compatibility mode for some time to ensure a seamless transition. In case of any issues, reverting to the post table can be done instantly.