Version 10.1.16 includes robust support for archival standards like PDF/A-1a and PDF/A-1b. It includes a "Save as PDF/A" option that strips out features not suitable for long-term archiving (like JavaScript or encryption) and validates the file against the standard, ensuring the document is readable decades from now.
Since Adobe no longer hosts the file publicly, you need a trusted, untouched copy of the installer. – they are often malware. adobe acrobat x pro version 101 16 download install
Select Typical for standard features or Custom to choose specific language packs. Version 10