Do not use a cheap, slow USB 2.0 drive. Invest in a USB 3.2 Gen 1 or Gen 2 flash drive (or an NVMe SSD in an enclosure). Speed matters, especially if you run large programs like browsers or office suites.
– Writes to protected folders like C:\Program Files or C:\Windows are redirected to a subfolder within the portable directory (e.g., AppData ). portable4pc