1- Download Quillbot Premium Cracker.zip from given links below
2- Extract this into a Folder
3- Open chrome://extensions/
4- Enable Developer Mode
5- Click to load unpacked
6- Add the Quillbot Premium Cracker folder
7- Open QuillBot Website And Log in to Your Free Account
8- Boom! You have Premium QuillBot Access Now for life
9- If having any issues, so replay on this post

Download Extention:

GoogleDrive: Click Here
MediaFire: Click Here