: If you have a RAR or ZIP file, right-click and select "Extract All" or use a tool like 7-Zip or WinRAR to unpack the files to your desired location (e.g., a USB drive).
: Open the folder and launch DiskMark64.exe (for 64-bit Windows) or DiskMark32.exe . No installation is required. Download Crystal Disk Mark Portable rar
: This is the most popular source for the dedicated CrystalDiskMark Portable version. It is packaged in a .paf.exe format that extracts itself into a portable folder and can be managed via the PortableApps Platform . : If you have a RAR or ZIP
: The CrystalDiskMark project page hosts older and current releases in ZIP format if you need a specific past version. How to Use the Portable Version Download Crystal Disk Mark Portable rar