You have chosen to download files manually (or you might have chosen to download manually the last time you ran SolidWorks Installation Manager).
Click the link to open an automatically generated Web page that contains a complete list of the files you need to complete your download.
You must download to the folder specified on the Summary page. Installation cannot begin until all the files are downloaded into that folder.
Once you have completed the manual downloads, click Next to continue.
If you want to download automatically, you can change the option by going back to the Summary Page and changing Download Options.