Prepare the first run
Microsoft documents Live captions from Windows 11 version22H2 onward, with additional translation capability subject to Copilot+ hardware and version requirements. Open it through Accessibility settings or Windows+Ctrl+L. The initial setup asks for language files and consent to on-device speech processing.
Prepare this before a planned viewing session. A download or organisation policy may need attention even though later captioning can work without an internet connection. For a work-managed laptop, ask the administrator about unavailable setup packages instead of trying unapproved download sites.
Choose the audio and language
Check the actual programme language and the caption language selected. Transcription and translation are different functions; not every Windows 11 computer has the same translation capability. Microsoft’s help also identifies the default sound output as relevant to captured playback audio.
Try a short familiar spoken passage and inspect the resulting text. This is an editorial check you can perform, not a measured accuracy test from this page. Background music, names and overlapping voices may make the generated result less useful than a well-produced subtitle track supplied by the programme.
Make the text usable
Select a position and style that let you read without hiding the action. Check the layout in the same full-screen or windowed arrangement you will use. Avoid assuming that a comfortable desktop arrangement remains readable from the sofa when the laptop is connected to a television.
Keep the provider’s own caption option available for comparison. If the generated text contains an important ambiguity, use the official transcript or programme captions where available. A support report should name Windows version, chosen language, audio output and whether the issue occurs during setup or after captions have started.