Hi,
Others PHP versions must be added to Wampserver installation. As its must be added, It is called "addon"
All addons PHP versions you need must be downloaded then installed as an administrator.
You can find PHP addons at [
Wampserver.aviatechno.net]
Download what you want.
Exit Wampserver
Install addon PHP
Run Wampserver
Left-click icon Wampmanager -> PHP -> Version -> Choose version you want
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Documentation Apache -
Documentation PHP -
Documentation MySQL -
Wampserver install files & addons