Step 1

Log in to your WordPress admin, go to Plugins and click Add.
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Step 2

Search for the Userlike plugin, install it and activate it.
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Step 3

Open the Userlike plugin’s settings and enter your Userlike Widget key. You find it in your Widget’s settings under Install Credentials for applications
Finally, hit Save Changes.
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Step 4

Userlike is now visible on your WordPress website!
To avoid CSS conflicts with the chat client, we advise you not to use iframe { !important } in your CSS. Better be more specific and exclude the Userlike chat client by using iframe:not(.userlike) { !important }.