If you need to work with TIA Portal today, unless you have an existing licensed copy and a dedicated legacy PC (or VM). Instead:
Early versions of TIA Portal were notorious for being resource-heavy. SP2 optimized the "Compile" and "Project Save" times, making the workflow feel less sluggish on standard laptop hardware. The Role of the Trial Version tia portal v11 sp2 trial version
Because this is an older version, its system requirements are modest by today’s standards. However, compatibility is the biggest challenge. If you need to work with TIA Portal