If you already own a perpetual license (serial number), you have a few official paths:

Because it no longer receives security patches, using Acrobat X poses a significant risk to your system. It is vulnerable to modern PDF-based exploits. Compatibility Issues:

: Often cited in the Adobe community as a reliable source for original direct download links from Adobe's servers.

If you still need to download Acrobat Pro X for compatibility reasons, make sure to get it from verified sources like: