Look for the "portable" link near the download button, or specifically choose the version listed as a .zip file (e.g., reaper7xx_x64.zip ) rather than the .exe installer. Download: Save the ZIP file to your computer. Installing and Running (Portable Method)
Here is a quick guide on how to download and use the REAPER ZIP package. How to Download the REAPER ZIP Package Go to reaper.fm/download.php [1]. Download reaper zip
Right-click the downloaded .zip file and select "Extract All..." to a folder of your choice (e.g., a folder on your Desktop or directly onto a USB drive). Look for the "portable" link near the download
Simply copy the entire folder to back up settings and projects. Download reaper zip