If you do not want to pay for a premium license, several completely free programs allow you to stream and apply effects to a virtual webcam without forcing a watermark on your feed: OBS Studio
Note: This only works for recorded files, not live broadcasts. A Quick Word on Ethics altercam remove watermark
Most crack files are loaded with trojans, ransomware, or spyware that can steal your passwords and financial information. If you do not want to pay for