The PSPICE 9.1 Student Version does not require activation, as it is a free software package.
PSpice 9.1 Student Version remains a popular choice for electrical engineering students because it is a lightweight, free circuit simulator that includes the classic "Schematics" interface. While it is a legacy tool from around 2000, it can still be installed on modern systems like Windows 10 and 11 with specific compatibility settings. Auburn University How to Download PSpice 9.1 pspice 9.1 student version free download
While "free" is a great price, the student version comes with strict limitations you should be aware of before starting a project: The PSPICE 9