One installer adds a Sumlion tab to the ribbon. Open a file, click the tab, and the pane is there.
One installer registers Sumlion in both Excel and Word. Nothing else to configure.
Microsoft 365, or Excel 2021 / Word 2024 and later
Per-user install, no administrator rights, nothing written to the registry.
WPS Office 2019 and later
Windows may show a blue “Windows protected your PC” screen. Click More info → Run anyway. The pane updates itself; the installer only registers it once. You never need to reinstall for a new version.
Many companies block executables. Sumlion is only a few small files — you can put them in place by hand. No admin rights, no registry, nothing to run.
Point Office at a folder holding one small file. Five steps, no .exe.
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Removing Sumlion. Office: Windows Settings → Apps → Sumlion for Office → Uninstall, or run the uninstaller. WPS: run the uninstaller, then restart WPS.
