Step 1: Go to your back office of PrestaShop.
After you login into your back office of PrestaShop find the configure tab in the left sidebar of the back office.
Step 2: Open advanced parameters -> performance section.
Step 3: Enable/disable cache
Once you open the performance section from the back office, then you can see something like this.
Then you can either enable cache or disable cache from the toggles given on the page.
Make sure after toggling you hit that save button, and also after successfully saving it make sure you have cleared the cache. If you are disabling the cache.
That’s it you have done with PrestaShop caching enabling and disabling part.