I do not have much windows experience, so I would defer to those running windows. If a .exe extension is required, the build script would need to be updated accordingly.
# compile for all architectures
GOOS=linux GOARCH=amd64 go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/linux/amd64/drone github.com/drone/drone-cli/drone
GOOS=linux GOARCH=arm64 go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/linux/arm64/drone github.com/drone/drone-cli/drone
GOOS=linux GOARCH=arm go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/linux/arm/drone github.com/drone/drone-cli/drone
-GOOS=windows GOARCH=amd64 go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/windows/amd64/drone github.com/drone/drone-cli/drone
+GOOS=windows GOARCH=amd64 go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/windows/amd64/drone.exe github.com/drone/drone-cli/drone
GOOS=darwin GOARCH=amd64 go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/darwin/amd64/drone github.com/drone/drone-cli/drone
# tar binary files prior to upload
tar -cvzf release/drone_linux_amd64.tar.gz -C release/linux/amd64 drone
tar -cvzf release/drone_linux_arm64.tar.gz -C release/linux/arm64 drone
tar -cvzf release/drone_linux_arm.tar.gz -C release/linux/arm drone
-tar -cvzf release/drone_windows_amd64.tar.gz -C release/windows/amd64 drone
+tar -cvzf release/drone_windows_amd64.tar.gz -C release/windows/amd64 drone.exe