Modern browsers like Chrome, Edge, and Firefox have improved their download handling significantly. For most casual users, the native download manager with parallel downloading enabled (in Chrome flags or Edge settings) is sufficient.
Although you can read a batch or PowerShell script, many so-called “activators” are distributed as .exe files disguised as scripts. Even when scripts are provided as text, attackers often embed obfuscated code that downloads additional payloads. Common payloads include: idm activation script