Let say you have download latest version IDM (Internet download manager) 2011, and also you've installed Mozilla Firefox 5.0 as your browser. However, for those who has upgraded Mozilla browser into Firefox 5.0 version you might have the problem that you can't install IDM on Firefox 5.0, then some of you may go back to Firefox 4.0 even lower version. Well, stop your worrying because there's a good news for you that you now enable to install IDM on Firefox 5.0 using firefox plugin/add-on named IDM 7.3.1. To Install IDM on Firefox 5.0 just follow the simple sintructions below:
How to Install IDM Internet Download Manager on Firefox 5.0
Step 1. Visit the link below to download add-on IDM 7.3.1.zip (373 KB)
Step 2. Now you extract IDM CC 7.3.1.xpi file zip You have downloaded.
Step 3. Right click on IDM CC 7.3.1.xpi, then you now click "Open with"
Step 4. After that you choose or browse "Mozilla Firefox"
Step 5. Now you click "Install"
Step 6. To finish just simply restart your Firefox 5.0.. Enjoy!