Hi Otomatic. Like I said, the Wampserver is working fine. No errors and the icon is GREEN. Below are my answers to your 2 questions.
Q1: How do you switch the PHP version?
A1 : I click on the Wampserver icon on the systray then select PHP -> Version -> The PHP version I want to use. The Wampserver will restart but I check the systray again, it will ALWAY stay at version 7.3.5. I can see
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WampServer English