The text you are looking for likely refers to SIMATIC WinCC V7.5 and its Service Packs or Update packages.
Because WinCC is industrial software licensed by Siemens, it cannot be downloaded for free from public file-sharing sites (doing so is illegal and poses a high security risk to your industrial systems). You must obtain it through official Siemens channels.
Here is the relevant information and standard text regarding downloading updates for WinCC 7.5: wincc 75 download upd
Q1: Can I download WinCC 7.5 UPD without a license? A: Yes, updates are free to download from SIOS with a free account. However, the base WinCC 7.5 software itself requires a paid license to run beyond the trial period.
Q2: Is WinCC 7.5 compatible with Windows 11? A: Only WinCC 7.5 SP2 Update 3 and later (if released) have experimental support. Officially, WinCC 7.5 supports Windows 10 LTSC 2019/2021 and Windows Server 2019/2022. The text you are looking for likely refers
Q3: How do I know if I need UPD1, UPD2, or UPD3? A: Read the "Resolved issues" section in each update’s readme. If you are experiencing a specific bug (e.g., crash when opening alarm logging), install the update that fixes it.
Q4: My WinCC 7.5 project won’t open after an update. What do I do? A: This is rare. Try running Project Migrator (Start > Siemens Automation > Project Migrator). If that fails, restore from backup and consider creating a blank project and copying objects manually. You can still download older updates from SIOS,
Siemens no longer officially supports WinCC 7.5 (mainstream support ended in 2022 for some versions, with extended support available for enterprise customers). If you are running a legacy system:
WinCC V7.5 Update or WinCC V7.5 SP2 (or your required SP).Software UpdateV7.5