Replacing Acrobat Reader 32bit to 64bit

Hi @前川25910532c18i 

Thanks for reaching out.

Since you haven't got the Reader DC 32-bit installer updated to 64-bit automatically, here's what you can try to get this done manually. 

1- 

Run this cleaner tool to remove the existing installer and application's files traces:

https://www.adobe.com/devnet-docs/acrobatetk/tools/Labs/cleaner.html

2- 

Download the Acrobat Reader DC installer from here:

https://get.adobe.com/reader/enterprise/ 

You'll see a dropdown at the version to get either a 32-bit installer or a 64-bit installer.

Additional details: https://helpx.adobe.com/acrobat/kb/about-acrobat-reader-dc-migration-to-64-bit.html 

Thanks,

Akanchha