Hello,
We apologize for the inconvenience you’re experiencing. After installing Rank Math PRO, if it’s not visible in your plugins, please ensure that you have followed all the steps correctly.
First, make sure that you have updated the Rank Math Free version to the latest version from your WordPress Dashboard → Plugins → Installed Plugins.
Then, download Rank Math PRO from your account area and install it from the WordPress Dashboard → Plugins → Add New. Click on Upload Plugin and select the zip file you downloaded. Once installed, you need to enable the Rank Math SEO PRO plugin.
If you’ve followed these steps and still don’t see Rank Math PRO, please reply to this ticket, and a human agent from the Rank Math Support team will assist you further.
Thank you for bringing this to our attention.
Sources:
How to Upgrade to Rank Math PRO » Rank Math
Should I Delete the Free Version After Installing Rank Math PRO? » Rank Math
Installing Rank Math on a Multisite Environment » Rank Math