On old pc how to replace Zorin os by Zorin lite

[carmar]

Welcome, herve.
Please describe your problem in more detail.
Additionally, you may want to read:

Before you install

Once you have downloaded the Zorin image: Verify your Zorin download: Methods of downloading Zorin OS - #8 by zabadabadoo Disable Secure Boot: How to Disable UEFI Secure Boot in Windows 10 Disable Fast Startup: Windows 10 Fast Startup: How to Disable it and Why You Should Disable bitlocker encryption: [SOLVED] How to disable BitLocker on Windows 10 - Super Easy If you have Zorin on a USB drive and cannot boot into it (assuming you changed boot order in BIOS): a. Confirm that the USB drive…

And

[SOLVED] Black screen after install

Carmar, good to see you moved over here. Could you please Hold the left shift key down on the Asus PC you are working with during boot to enter into Recovery Mode? For some, it is stabbing the esc key that works. You should see a menu that says Zorin Advanced options for Zorin Memorytest Press the “e” key at this point. It should bring up a terminal text editor for grub. Read down the print until you see ro quiet splash Replace that “ro quiet splash” with nomodeset quiet splash Th…