A hot install means the software installs and starts running immediately without requiring a reboot of your operating system. Dropbox is designed for this—no restart is needed after installation.
Related articles:
The Fix: Throttle the bandwidth.
If you have an M1, M2, or M3 Mac, the hot install requires the native Apple Silicon version. dropbox desktop install hot
The Cause: Dropbox uses significant CPU resources when first scanning your files or if it encounters a "file system" it doesn't like. The Fix: Dropbox Desktop: Hot Install Guide What is a "Hot Install"