If you want to connect with someone on Session, you'll need to share your Account ID with them. Here's how:
Mobile (iOS and Android)
Tap on your profile picture in the top left to open Settings. Tap "Copy" to copy your Account ID to your clipboard. Tap "Share" to directly share your Account ID to other apps or email.
You can also tap the QR code icon in the top right to open a QR code containing your Account ID. You can scan it or share it by tapping "Share".
Desktop
Click your profile picture in the top left-hand corner. Click 'Copy' to copy your Session ID to your clipboard.
You can also click the QR code icon next to your profile picture, or the "View QR" button below, to open a QR code containing your Account ID.
Watch this video to learn more about Account IDs: