TLS 1.2 impact on Magento site

We want to upgrade our TLS setting to 1.2. I’m not a techie, and I’m wondering if it is a turnkey type of process or do we need to adjust any settings in our Magento 1.8 Site before we make this switch?

Ty

Since the SSL/TLS between Cloudflare and the visitor is done independent of how CF connects to your server, there should be nothing you need to do before changing the minimum TLS version CF uses. You can do that on the SSL/TLS app