It is important to note that Adobe does not officially release a "Portable" version of Premiere Pro. Most files found online under this keyword are "repacks" created by third parties. Using these carries significant risks:
Keep your project files and "Media Cache" on a high-speed external SSD (like a Samsung T7 or SanDisk Extreme). You can plug this into any computer with Premiere Pro installed and resume work instantly. Adobe Premiere Pro Portable 64 Bits
For video editors, the appeal of a 64-bit portable version includes: Zero installation footprint on the primary drive. The ability to switch between workstations quickly. Testing features without modifying system registry files. It is important to note that Adobe does
Using modified software violates Adobe's Terms of Service and intellectual property laws. Better Alternatives for Mobile Editors You can plug this into any computer with
Running Premiere Pro in a portable format doesn't lower the hardware requirements. Since video editing is one of the most taxing tasks for a computer, your hardware must still meet these benchmarks: