Well, while installing Windows 10 Anniversary Update, you may face different kinds of error and that can be quite irritating for you because sometimes you may not be able to fix such errors manually. Here, in the below link, you will get to know about some most common errors you may get while installing Windows 10 Anniversary Update and how to fix them. Sometimes it may be due to insufficient disk space and for this reasons, you have to clean up the, disk space so that you can complete the installation process easily. You can take help from the below link:
http://www.fixwindowserrors.biz/blog/5-must-use-tricks-clean-system-disk-windows-10-anniversary-update
This will help you clean disk storage space for installing Windows 10.
All the best!!!