How to release Xtool PS90 memory space

Hi, I have an Xtool PS90 bought from which I use for vehicle diagnostics but when I tried to download some updates I got a message saying there was insufficient memory space. Is there an easy was to delete some old updates to make space, please?

There are 2 ways to solve it:

First method:

Enter from this path: Explorer

-NAND FLASH–XTOOL—Vehicles, delete the old version of the software to free up space

Second method:

Step1、 Open the app and find the Report

Step2、 Find the “File Management” menu

Step3、Select the “Edit” , click on the unneeded car

Step4、Remove redundant models to retain storage space