Save it in your Custom folder.
In the Content Manager select Custom > Character, as shown below and then click on "Save" to add the character. You can create a separate folder depending on your needs.

Give the character a name before saving.
Gerry
System: Win 10 Pro (21H2), Asus X99-E WS, CPU i7-5930K -3,5 GHz, 32 GB DDR4 2666-16 RAM, NVidia GTX 1080 Ti GPU - 11 GB VRAM(Driver Studio-536.99), Samsung 850 Pro 512 GB SSD, 6 TB HD storage.