. CS5 is a legacy product released in 2010, and while its activation servers are reportedly still active, using shared keys from the internet is often unreliable because Adobe "blacklists" keys found on public lists once they detect multiple unauthorized installations. If you are trying to find
. CS5 is a legacy product released in 2010, and while its activation servers are reportedly still active, using shared keys from the internet is often unreliable because Adobe "blacklists" keys found on public lists once they detect multiple unauthorized installations. If you are trying to find