I can provide the exact commands and path settings required to get your project compiling smoothly. Share public link
After setting up your offline environment, map the binaries to your preferred IDE to begin development. Integrating with Qt Creator Launch . download qt 5.15.2 offline installer
: mirrors.tuna.tsinghua.edu.cn/qt/archive/qt/5.15/5.15.2/ Alternative: Build From Source Code I can provide the exact commands and path