Let’s be absolutely clear about what the automation community means by this keyword.
Users often search for a "download fixed" version because the original installer crashes. Here is how to manually "fix" the standard installer. Simatic Step 7 V5 5 Sp2 Download Fixed
The final version of classic Step 7 is V5.6 (released 2017). It officially supports Windows 10 (up to build 1607). Instead of hunting a “fixed” V5.5 SP2, buy a license for V5.6. It is 100% compatible with V5.5 projects. Let’s be absolutely clear about what the automation