: Be extremely cautious of where you obtained this file. Recent reports from Malwarebytes highlight that fake 7-Zip installers and files from unofficial sites like 7zip.com can infect PCs with Trojans or turn them into proxy nodes. Only trust 7z files from known, verified sources.
How To Download and Install 7-Zip On Windows 10/11 | Step By Step
: Right-click HL_01_20.7z , hover over "7-Zip," and select "Extract to 'HL_01_20'" to see the internal files without cluttering your desktop.
: The .7z extension uses the LZMA/LZMA2 algorithm, which generally provides better compression ratios than standard ZIP files.
: Once open, look for a readme.txt or manifest file within the folder, which usually contains a version history or description of the "HL_01_20" build.