You should try disabling Windows Defender and Malwarebytes to test if it is a firewall problem.
Here is a guide to install:
https://www.open-emr.org/wiki/index.php/OpenEMR_7.0.0_Windows_Installation
To apply the patch it is necessary that apache and mysql are running. Here is a guide to the patch:
https://www.open-emr.org/wiki/index.php/OpenEMR_Patches