The steps requires as the same as for Ubuntu 20.04, with the exception of being unable to use the Ubuntu PPA for libpng12. Debian 8 (jessie) was the last version to have libpng12. The <code>libpng12-0_1.2.50-2+deb8u3_amd64.deb</code> package can be unpacked, and then the appropriate <code>.so</code> files moved into Quartus's installation directory.
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[https://packages.debian.org/jessie/libpng12-0 Debian -- Details of package libpng12-0 in jessie] (the old package)