How to download quartus II 9.0 or previous?

QuartusII 13.0sp1 is the earliest version now still available online.

Read this: https://www.intel.com/content/dam/altera-www/global/en_US/pdfs/literature/pcn/adv2011.pdf

Not even the internet archive wayback machine will work, as it did not cache contents of files, only web pages.

So unless you know somebody that knows somebody that has a secret archive you are out of luck.