i have tried run that command but it can't run, i don't if there is misspelling in it, or it was changed , or i didn't have the repo of it, i don't know i get that error:
sudo apt install --reinstall zorin-os-lite-desktop
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package zorin-os-lite-desktop
Start up Software Updater, let it go through its usual flagellations as it checks for updates, then click the 'Settings' button, and go to the 'Other Software' tab.
You should see the following Zorin-related entries... if you don't, add them:
Type: Binary
URI: https://packages.zorinos.com/stable
Distribution: focal
Components: main
Type: Binary
URI: https://packages.zorinos.com/patches
Distribution: focal
Components: main
Type: Binary
URI: https://packages.zorinos.com/apps
Distribution: focal
Components: main
Type: Binary
URI: https://packages.zorinos.com/drivers
Distribution: focal
Components: main restricted
Type: Binary
URI: http://ppa.launchpad.net/zorinos/drivers/ubuntu
Distribution: focal
Components: main
Type: Binary
URI: http://ppa.launchpad.net/zorinos/stable/ubuntu
Distribution: focal
Components: main
Type: Binary
URI: http://ppa.launchpad.net/zorinos/patches/ubuntu
Distribution: focal
Components: main
Type: Binary
URI: http://ppa.launchpad.net/zorinos/apps/ubuntu
Distribution: focal
Components: main
On the 'Zorin Software' tab, ensure all the checkboxes are checked except for "Source code", and ensure you're using a server nearest to you... if that still doesn't work, use the "Main server".