Because modern software requires cracking the executable file itself (modifying the code to bypass the serial check entirely), users have moved toward Torrent trackers and Direct Download (DDL) sites.
Serials.ws became popular due to its simplicity. It required no downloading of executable files (reducing the immediate risk of viruses compared to downloading "cracked" EXEs) and operated in a legal grey area that was often slower to be targeted by litigators than torrent trackers. However, the era of the "simple serial" has effectively ended, necessitating a look at what alternatives exist today. Serials.ws Alternative