info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
To enable features of GitLab Enterprise Edition (EE), you need to activate your instance. Ensure you are running an enterprise edition. To verify, sign in to GitLab and browse to `/help`. The GitLab edition and version are listed at the top of the **Help** page.
If you are running GitLab Community Edition (CE), upgrade your installation to GitLab Enterprise Edition (EE). For more details, see [Upgrading between editions](../../update/index.md#upgrading-between-editions). If you have questions or need assistance upgrading from GitLab CE to EE please [contact GitLab Support](https://about.gitlab.com/support/#contact-support).
uploaded license only has the Free features active. A trial license activates all Ultimate features, but after [the trial expires](#what-happens-when-your-license-expires), some functionality
## Activate GitLab EE with an Activation Code **(PREMIUM SELF)**
As of GitLab Enterprise Edition 14.0, you need an activation code to activate your instance. You can obtain an activation code by [purchasing a license](https://about.gitlab.com/pricing/) or by signing up for a [free trial](https://about.gitlab.com/free-trial/). This activation code is a 24-character alphanumeric string you receive in a confirmation email. You can also sign in to the [Customers Portal](https://customers.gitlab.com/customers/sign_in) to copy the activation code to your clipboard.
To begin the activation process with your activation code:
1. Sign in to your GitLab self-managed instance.
1. From the top menu, select the Admin Area **{admin}**.
1. From the left sidebar, select **Subscriptions**.
1. Paste the activation code onto the input field.
1. Read and accept the terms of service.
1. Select **Activate**.
## Activate GitLab EE with a License File **(PREMIUM SELF)**
If you receive a license file from GitLab (for example a new trial), you can upload it by signing into your GitLab instance as an admin or adding it during installation. The license is a base64-encoded ASCII text file with a `.gitlab-license` extension.
In GitLab 14.0 and later, to activate your subscription, your GitLab instance must be connected to the internet. If you have questions or need assistance activating your instance please [contact GitLab Support](https://about.gitlab.com/support/#contact-support).