STFE Version: SeoTools_v8.0.70.0_20181101
OS/Office: Win7x64, Office 365 Business, Version 1810 (Build 11001.20108)
As in the topic title:
- The installer installs STFE into /program files (x86)/, instead of /program files/, as predestined for x64 software,
- After installation is succeeded (proceeded without error alerts) and Excel starts by installer, STFE isn't present in the Excel's ribbon.
- The add-on entry is, however, in his expected place (displayed under "options→add-ons").