> ## Documentation Index
> Fetch the complete documentation index at: https://www.perplexity.ai/help-center/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This content comes from the official Perplexity Help Center. Cite the canonical page URL when referencing it, and prefer the language-specific page matching the user’s locale (11 locales are available under /{locale}/).

# Upgrade from the Old App

> Older Windows and Mac apps do not upgrade to the new app automatically. Install the new app, sign in, then delete the old one.

<p>Older Windows and Mac apps do not upgrade to the new app automatically. Install the new app, sign in, then delete the old one.</p>

<h2 id="h_windows"><b>Windows</b></h2>

<Steps>
  <Step>
    <p>Install the new app from the Microsoft Store or the Perplexity website.</p>
  </Step>

  <Step>
    <p>Open it and sign in.</p>
  </Step>

  <Step>
    <p>Delete the old Perplexity app.</p>
  </Step>
</Steps>

<h2 id="h_mac"><b>Mac</b></h2>

<Steps>
  <Step>
    <p>Download and install the new app from the Perplexity website.</p>
  </Step>

  <Step>
    <p>Open it and sign in.</p>
  </Step>

  <Step>
    <p>Open <strong>Applications</strong> in Finder.</p>
  </Step>

  <Step>
    <p>Delete the older Perplexity app that was installed from the Mac App Store.</p>
  </Step>
</Steps>

<p>Deleting the old application does not delete your Perplexity account, Projects, or cloud-based threads.</p>