It seems like you have provided text and a key about WinScan2PDF, a free portable utility that allows you to scan documents and save them as PDF files.

The key provided is 'free instals WinScan2PDF 8.66', which appears to be a license key or download link for the software.

Based on the text, here are some key points about WinScan2PDF:

1. It's a small and portable program that consumes minimal system resources.

2. It allows you to scan documents with almost any connected scanner.

3. The scanned documents can be saved as PDF files directly on your computer.

4. The program is easy to use, requiring only execution and clicking 'scan' to start the scanning process.

5. It's compatible with Windows 7, Windows 8 (64-bit), and newer operating systems.

The text also mentions some updates in version 8.67, including:

1. Optional uninstallation via the options menu

2. Improvements in detection of various scanners

3. Small corrections to the Scan to PDF feature

4. Updated language files

Additionally, WinScan2PDF is suitable for various Windows operating systems, including Windows 10 and its variants.

Please let me know if you have any specific questions or requests related to this software. I'm here to help!

Free instals WinScan2PDF 8.66