> For the complete documentation index, see [llms.txt](https://docs.acecloud.ai/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.acecloud.ai/knowledge-base/compute/how-to-change-the-security-group-of-an-instance.md).
# How to change the security group of an instance?
Follow the steps below to know how to change the security group of an instance:
**Step 1:** [Login](https://customer.acecloudhosting.com/index.php?m=ace_product_register_addon\&action=login) to your account.
**Step 2:** Navigate to **Compute** and then click on **Instances**.
**Step 3:** Choose your instance, click **Actions,** and choose **Edit Security Group** from the drop-down menu.
**Step 4:** Add or remove Security groups according to your needs and click **Submit**.
