The first partition is ~100MB. The second partition is the remainder of the card. Run diskmgmt.msc to see the full size of the card. It should be noted on the paper sheet that came with the card.
Ordered a simple ISO installation sd card, now have to load another program to get yours working? Would have been much easier for me to get the ISO image myself and burn it to a card!
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gb
https://elinux.org/R-Pi_Troubleshooting#Red_power_LED_is_blinking