My link is to encourage the purchase from ecutool.com as you’ll have access to everything, and more importantly, people on here have successfully used it so if you have any troubles, help is not far away.
I have the Bentley manual running fine in XP mode which is unfortunately only available in Win7 Pro and Ultimate.
If you have a copy of XP on a disc and Win7 Home Premium, you can fully geek out and use a virtual machine (such as vmware) to install a copy of XP “within” Win7 instead of Microsoft’s XP mode.