Uninstalling Sassoon fonts, folders and files:

A Sassoon font Installer program can install and uninstall the package.

TO UNINSTALL FONTS AND ALL COMPONENTS
On your Windows 10 keyboard press Win + X.
(Other System versions may access File Explorer differently).

Select "File Explorer" from the list that appears.

Navigate to: This PC > System (C): > Program Files(x86)

Locate and open the package name to be removed such as "Sassoon Basic fonts", or "Sassoon Starter fonts" for example.

The package Folder opens to display its contents, for example:
Fonts backup Folder
EULA.pdf
Sassoon Alternatives.pdf
Uninstall.exe
Read Me.rtf

Double-click the "Uninstall" (.exe) and follow its instructions.

Click 'Finish' and all components of the package will be uninstalled, including any fonts that were installed.