Jul 21, · Speedbit's product Download Accelerator Plus (DAP - free download manager) & services related thereto are covered by United States Patent Nos. 6,,, 6,, and 6,, Other patents pending. Jul 21, · To install DAP 10 from Firefox, follow these instructions: Download DAP. Click the DAP Download button on the top of this page. Click "Save File". Click "Save File" in the dialog that opens. dapexe. Click the DAP file in the Downloads window. After the download finished, click the DAP file in the Download s window. dapexe.