The Installation Manager will present options to Install, Modify, or Uninstall. Choose "Modify (change the installation)" . This allows you to add or remove components without wiping your settings.

For advanced IT administrators, under the "Individual Components" section, you can find as a standalone MSI file. This is useful for adding a language to an existing installation without re-running the entire setup. Look for files named swlmui_<language>_<version>.msi .

If you encounter persistent errors, remember that your local SolidWorks VAR (Value Added Reseller) is your best resource. They have internal tools to repair language pack installations and can provide the direct download links for legacy versions (2017 and earlier) that are no longer on the public portal.

Unlike earlier versions where language packs were separate ISOs, modern SolidWorks (2018 and later) includes all languages in a . You do not download a separate "French pack" file. Instead, you download the full installer but only select the languages during installation.

: Instead of clicking uninstall, she hit Change . The Installation Manager flickered to life.