Update UpgradeToUbuntu24.md

docs/Nightscout/GCNS/UpgradeToUbuntu24.md

@@ -11,19 +11,21 @@ However, some updates—such as upgrading to Ubuntu 24—cannot be performed usi
 The following instructions will guide you through the upgrade process.  
 <br/>  
 
-1- Create a [backup and transfer it to your computer](../DatabaseBackup.md).  
+1- Update your existing setup by following [these instructions](../NS_SyncExecutables.md).  
+
+2- Create a [backup and transfer it to your computer](../DatabaseBackup.md).  
 <br/>  
 
-2- (Optional) Create a [snapshot](../Snapshots.md).  Note: Snapshots are not free.  
+3- (Optional) Create a [snapshot](../Snapshots.md).  Note: Snapshots are not free.  
 <br/>  
 
-3- (Optional) Set up a second Google account for a new installation:  
+4- (Optional) Set up a second Google account for a new installation:  
 - Follow our [installation instructions](../GoogleCloud.md).  
 - [Restore your backup](../DatabaseRestore.md) to the new installation.  
 - (Optional) Continue using this new installation and retire the virtual machine in your original Google account.  
 <br/>  
 
-4- If you intend to continue using your original Google account:  
+5- If you intend to continue using your original Google account:  
 - Ensure you have created and securely stored your backup.  
 - [Delete your original virtual machine](../DeleteVM.md).  
 - Follow our [installation instructions](../GoogleCloud.md) to set up a new Ubuntu 24 virtual machine.