The installer failed to create shortcuts due to antivirus interference. Fix:

If you cannot select a new language in the Options menu:

: Search for "AutoCAD 2021 Language Pack" on the Autodesk Knowledge Network to find direct download links for various languages. Key Features

Select version and switch to the Languages tab to find the download button. Installation Steps

Language packs for are available for free to users who already have the software installed . These packs allow you to change the user interface and documentation language without duplicating the core program. Where to Download