If your Adobe Acrobat Reader DC is displaying in the wrong language, or if you need to switch the interface to a different locale (like English, Spanish, French, etc.), you usually don't need to download a separate file manually. The application handles this internally.
Restart: Click OK and restart Adobe Acrobat Reader DC to apply the changes. Troubleshooting Common Issues
Installing additional languages slightly increases the storage footprint of the software: Requirement for English Requirement for Other Languages Hard Disk Space (64-bit) 2 GB minimum 2 GB minimum 1.5GHz or faster 1.5GHz or faster
Note: Exact MSI/MSP names and registry paths change across releases; consult Adobe enterprise documentation for the specific Reader DC build.