Downloading 5.4.2 wrongly need help

I started downloading MOP 5.4.2 few days before update and i noticed now that 5.4.8 is the latest.
the problem is i had downloaded 5.4.2 almost 60-% so idont want to delete and re download 5.4.8.
shall 5.4.2 can be used to connect to the game and internally will it get updated to 5.4.8?
i am stuck at this issue.
Please post your replies

No need to re-download the 5.4.8
You can download the 5.4.2 fully and than go to this tread http://forum.warmane.com/showthread....and-good-to-go
and there you will see how to switch the version from 5.4.2 to 5.4.8 without downloading it full