You can only legally use a version that was released during your active maintenance period. For example, if you started subscription in 2020, you cannot legally install SolidWorks 2015.
Log in to the SOLIDWORKS Customer Portal with your 3DEXPERIENCE ID. Navigate to the "Downloads and Updates" section to select specific years and service packs. solidworks download old version
Before rushing to find a download link, you must identify your "why." The approach differs depending on your answer. You can only legally use a version that
Save the .ISO file (disk image) or the extracted folder to a dedicated "SolidWorks Legacy" hard drive. if you started subscription in 2020