Using gnome-tweaks to customize Ubuntu

sudo apt install gnome-shell-extension-manager

sudo apt install gnome-shell-extensions

https://gitlab.gnome.org/GNOME/gnome-shell-extensions https://extensions.gnome.org/extension/19/user-themes/

Install WitheSur theme

WhiteSur https://github.com/vinceliuice/WhiteSur-gtk-theme

git clone https://github.com/vinceliuice/WhiteSur-gtk-theme

Icons

https://github.com/vinceliuice/WhiteSur-icon-theme

Cursor

Bibata Modern Ice https://www.gnome-look.org/p/1197198