This information applies to all versions
There is no need for any extra installation procedure: once DxO ViewPoint has been activated, you’ll see a dedicated palette in DxO PhotoLab called ‘DxO ViewPoint’, along with icons for DxO ViewPoint’s features in the menu bar.
Flip and Mirror tool will be available in the menu lmage > Orientation and by right-clicking on a thumbnail in the image browser.
Please note: New features introduced in DxO ViewPoint 6, such as the AI-powered local adjustments in ReShape Fusion, are only available as a plug-in starting with DxO PhotoLab 10.