updated index to refer to Windows Preperations

Author: RichardORCL

cloud-infrastructure/vmware-solutions/oracle-cloud-migrations/README.md

@@ -18,6 +18,8 @@ Reviewed: 11.12.2023
 ### Reference Architectures & Step-by-step Guides
 - [OCM Deployment Guide - Migrate VMs from an on-premises VMware environment to Oracle Cloud Compute VMs using Oracle Cloud Migrations service](https://docs.oracle.com/en/learn/ocm-migrate-on-prem-vm/)
   - This tutorial provides step-by-step guidelines for configuring the Oracle Cloud Migrations service, to enable customers to migrate their virtual machines from an on-premises VMware environment to Oracle Cloud Compute VMs.
+- [Preparing your Windows VMs for successful migrations](https://github.com/oracle-devrel/technology-engineering/tree/main/cloud-infrastructure/vmware-solutions/oracle-cloud-vmware-migrations/windows-migrations)
+
 
 ### Videos
 - [Cloud Coaching Clinic - Introduction to Oracle Cloud Migrations](https://www.youtube.com/watch?v=a1C3vZh5Wno)