Qunqi Mini ST-LINK/V2 STLINK debugger/programmer for STM8 and STM32 ST-LINK Utility 2.0 and above STVD 4.2.1 and above STVP 3.2.3 and above IAR EWARM V6.20 and above IAR and EWSTM8 V1.30 and V4.21 and above KEIL RVMDK ST-LINK / V1 with ST-LINK / V2 Two drive mode is completely different, if you replace the V2 for V1 need install ST-LINK/V2 drive and you may need to update software VISTA, WIN7, WIN8 user, please use administrator mode to install drivers and applications If dynamic signature issue in the case, please trust ST LINK V2 drive (WIN8 may need to turn off the signature drive to force only after successful installation). After the installation is complete, the device manager will have &#034;STMicroelectronics STLink dongle&#034; 1x ST-LINK / V2 5x Dupont cable 1x 4P (XH2.54) debugging cable