Last versions of Xentry does not allow you to install it on Windows 7 or any x86 version.
1. Download Microsoft Windows SDK here:
https://developer.microsoft.com/en-u...s/windows-sdk/
2. Open the installation, go through the basic wizard, and select only the MSI TOOL feature.
3. Go to the SDK install location and run the Orca.msi. This will automatically install ORCA. Should be in Program Files (x86 - if you are on x64) \ Windows Kits\10\bin and there should be a folder named with numbers.
4. Install ORCA.
5. Go to your xentry install msi and left-click -> choose "Edit with Orca".
6. Use the search function to find: "IsWindows7OrGreater" and delete the entire (not only the Windows7OrGreater part) string wherever you find it.
7. Save it and run it.