Start with the role’s requirements
Open the application instructions before comparing equipment. Record the supported computer, operating system, browser and classroom software, along with any stated connection or headset requirements. A setup that works for a video call may still be unsuitable for a particular teaching application.
If the instructions are unclear, ask one concrete question: ‘Can I use this computer and headset for your classroom software?’ Include the model and operating system, but leave out serial numbers and other private information.
Run a short practice lesson
Use the place and time of day you expect to teach. Open your slides, browser tabs and classroom together. Ask a friend to join a test call, then explain a short activity while sharing the material. A speed-test result alone cannot show whether your microphone, screen sharing and classroom work together.
- Sound: ask whether every word is clear and whether there is echo, hum or room noise. Try moving the microphone or closing a window before buying anything.
- Picture: keep your face visible and your camera steady. Check the light at your teaching time, especially if it is before sunrise.
- Materials: ask the other person to confirm they can read the text and hear any shared audio. Make diagrams and examples large enough for a smaller screen.
- Controls: practise muting, sharing your screen, using chat and returning to the lesson after opening another window.
Fix the problem you found
If audio is unclear, compare the microphones you already own. If the picture is dark, change the lighting or your position. If the connection drops, test a wired connection where available and check whether other household activity affects the call.
Write down the fault before shopping. Compare compatible replacements against that need, including the full cost and return terms.
Prepare for an interruption
Keep the employer’s support route and lesson-interruption procedure somewhere accessible. Test a backup device or connection if you intend to use one; check the cost of the backup and whether the employer permits it. Ask how interrupted lessons are recorded and paid before the problem happens.
Save your lesson plan in a format you can reopen. Close personal notifications and unrelated documents before sharing your screen. After the test, keep a brief checklist of what to open and check before the next lesson.
A current platform example
Preply’s tutor page lists a computer, webcam, microphone and stable internet connection for its virtual classroom. Other employers may list more requirements. Use the requirements for the actual role you choose.
Source checked 20 September 2026: Preply’s tutor requirements.