3. Drag and drop **pico-debug-gimmecache.uf2** to RPI-RP2 mass-storage driver in the explorer. It immediately reboots as a CMSIS-DAP adapter. Pico-debug loads as a RAM only .uf2 image, meaning that it is never written to flash and doesn't replace existing user code.
4. Open the MDK/mdk projcet.
5. Compile and Debug
6. The **printf** is connected to usart debug viewer.