WordPress spam protection
You can activate Akismet, you should have a WordPress API key. You must register on the official WordPress website. The key will be sent to your email.
Here are the steps to enable the Akismet spam protection plugin for your website or blog.
Step (1) – Go to your WordPress admin area → Plugins → Installed. The following screen will be displayed.

Step (2) - Click the Activate button as shown in the screen below Show.

Step (3) - Will activate the Akismet plugin, then click Activate your Akismet account button, as shown in the screen below.

Step (4) - As shown in the image below, click Get your API key to get a new key or Enter it manually (if you already have an API key).

Step (5) - If you do not have an API key, click the GET AN AKISMET API KEY tab to move further.

Step (6) - Fill in the required fields and click on the Register button as shown in the screen below.

Step (7) - After completing the registration process. You will get API key in your registered email ID. Manually enter the API key and click the Use this key button as shown in the following screen.

Step (8) - If you enter the correct API key, the system will verify your password. You will receive a confirmation message as shown in the screen below.

Step (9) - Now your blog will be protected from spam by Akismet. You can view spam comments in your blog or manually mark comments as spam from the Blogadmin area → Comments.

You can track how many spam posts Akismet has stopped, and you can keep your posts, blogs, comments, and more safe. Additionally, you can block your website from spammers who might harm your site.