How to adjust Run Click ITC

Could you tell me about fitting tool?
One day, I tried to adjust with Mobile. So, I tried to download “Mobile Fitting App” but I can’t download it.
After, I tried to use “fit2go app” but I can’t use it because I don’t have an access code.
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Copy

// Select the text field copyText.select(); copyText.setSelectionRange(0, 99999); // For mobile devices

// Copy the text inside the text field navigator.clipboard.writeText(copyText.value);

// Alert the copied text alert("Copied the text: " + copyText.value); }