If you’re running 64-bit Windows (<a href="%(version)s">here’s how to check</a>), your Firefox may already be 64-bit. <a href="%(check)s">Check your Firefox version</a> (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number:
If you’re running 64-bit Windows (<a href="%(version)s">here’s how to check</a>), your Firefox may already be 64-bit. <a href="%(check)s">Check your Firefox version</a> (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: