D1 Mini Flash
From KlavoWiki
To Flash a D1 Mini simply download https://codeload.github.com/BattloXX/ESPEasyFlasher/zip/master, extract FlashESP8266.exe to a folder. In the same folder save a copy of your binary file that you want to upload.
https://codeload.github.com/BattloXX/ESPEasyFlasher/zip/master
https://github.com/arendst/Tasmota/releases/download/v7.1.0/tasmota.bin