官网下载地址：
SIMATIC STEP 7 (TIA Portal) V13 SP1 TRIAL Download
https://support.industry.siemens.com/cs/cn/en/view/106448872

其他版本软件：
SIMATIC WinCC V13 SP1 TRIAL available for Download
https://support.industry.siemens.com/cs/cn/en/view/106567563

Updates for WinCC Runtime Advanced V13 SP1
https://support.industry.siemens.com/cs/ww/en/view/109311423
Updates for STEP 7 V13 SP1 and WinCC V13 SP1
https://support.industry.siemens.com/cs/cn/en/view/109311724

SIMATIC STEP 7 including PLCSIM V13 SP2 TRIAL download
https://support.industry.siemens.com/cs/cn/zh/view/109745155/en?dl=en
Servicepack 2 for SIMATIC WinCC V13 Engineering ( incl. Trial)
https://support.industry.siemens.com/cs/cn/zh/view/109746075/en?dl=en

SIMATIC WinCC V14 TRIAL Download
https://support.industry.siemens.com/cs/cn/en/view/109740228
SIMATIC STEP 7 (TIA Portal) V14 TRIAL Download
https://support.industry.siemens.com/cs/cn/en/view/109740158
Updates for STEP 7 V14 and WinCC V14
https://support.industry.siemens.com/cs/ww/en/view/109742377

Servicepack 1 für SIMATIC WinCC V14 Engineering ( inkl. Trial)
https://support.industry.siemens.com/cs/ww/en/view/109746074
SIMATIC STEP 7 including PLCSIM V14 SP1 TRIAL download
https://support.industry.siemens.com/cs/ww/en/view/109745153
Updates for STEP 7 V14 SP1 and WinCC V14 SP1