More information at: https://zihad.com.bd/posts/how-to-use-idm-in-linux-with-extension/

Setup Internet Download Manager in Linux with Wine. Extension working. Working version: Internet Download Manager 6.36 Build 5

⚡🚀 Quick Flatpak IDM Install 📥🔥

curl -L -o idm.flatpak https://github.com/tazihad/flatpaks/releases/download/wow64/idm.flatpak
flatpak install flathub org.freedesktop.Platform//25.08
flatpak install flathub org.winehq.Wine//wow64-25.08
flatpak install --user ./idm.flatpak

step 1: Setup wine (on Archlinux)

$ sudo pacman -S wine wine-mono wine_gecko winetricks
$ sudo pacman -S lib32-gnutls [for https support]

step 2: Setup IDM https://www.internetdownloadmanager.com/download.html

step 3: Install browser extension (available for firefox and chrome) https://add0n.com/download-by.html

step 4: Setup bridge between extension and OS. Download the idm file.

$ sudo chmod +x idm
$ sudo mv idm /usr/local/bin/
$ idm

flatpak install flathub org.winehq.Wine

Create a 32-Bit WINEPREFIX named "IDM" using flatpak winetricks. Install IDM in default location.
flatpak run --command=winetricks org.winehq.Wine

put "idm-flatpak" as "idm" in ~/.local/bin/". Make it executable. chmod +x ~/.local/bin/idm Change username inside it.
put idm.png icon in ~/.local/share/icons

create application launcher in ~/.local/share/applications
idm.desktop

[Desktop Entry]
Name=Internet Download Manager
Exec=flatpak run --env="WINEPREFIX=/var/home/zihad/.var/app/org.winehq.Wine/data/wineprefixes/IDM/" org.winehq.Wine "/var/home/zihad/.var/app/org.winehq.Wine/data/wineprefixes/IDM/drive_c/Program Files/Internet Download Manager/IDMan.exe" @@u %U @@
Type=Application
Terminal=false
Categories=Internet;
Icon=idm.png
Comment=Launch Internet Download Manager.
StartupWMClass=Internet Download Manager

NOTE: Change IDM Directory, Home directory & Username as per your distribution. Make sure you have node installed in system. Or use NVM to install node in local.

I have created a flatpak for IDM. Try and use it.

curl -L -o idm.flatpak https://github.com/tazihad/flatpaks/releases/download/flatpak/idm.flatpak
flatpak install --user app/org.winehq.Wine/x86_64/stable-23.08
flatpak install --user ./idm.flatpak