A few direct links:
7Digital
https://us.7digital.com/artist/prince/release/sign-o-the-times-super-deluxe-explicit-13078767
Qobuz
https://www.qobuz.com/us-en/album/sign-o-the-times-super-deluxe-prince/fsq6cutyb62na
HDtracks (full album only)
https://www.hdtracks.com/#/album/5f6ae7a0af280187a5ec0db6
Amazon
https://www.amazon.com/gp/product/B08BW517HP/ref=dm_ws_sp_ps_dp