The instructions I just found are pretty clear. However upon clicking the Zap icon I don't see an option to connect to wallet.

Image 1 are instructions

Image 2 how it looks for me

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nostr:nevent1qqs99277f4zneqw8ny5g32n5vdd6uw359m3zyp2l9j085wg8ppdea3szyzp6q5ws6zyjz0fvh7a5xyzcx4dfar0hwudxqefv3neznxmr4348sqcyqqqqgfcsm6j70