Download and Install the Google chrome and Edge Policy templates from the following links bellow. Please come back to this guide once this step is complete.

Chrome Policy Template: https://support.google.com/chrome/a/answer/187202?hl=en#zippy=%2Cwindows

Edge Policy Templates:
1 - https://www.microsoft.com/en-us/edge/business/download?form=MA13FJ

2 - https://learn.microsoft.com/en-us/deployedge/configure-microsoft-edge