Step 1: Go to the CRM page, Click on CRM settings>> Pipelines>> Add New PipeLine.
Step 2: Once you click on Add New Pipeline and select if you want to create a pipeline in Leads, Deals, Customers..etc
Step 3: Click on Add New Pipeline and you can edit the pipeline name, Is default should be true and can edit the stage names and column colours as per the requirement. You can add/remove/edit the stages in the same tab. And then click on Save Pipeline.