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Available on winget

Install BitComet

A free C++ BitTorrent Download Client

Install with winget
winget install --id CometNetwork.BitComet
Upgrade
winget upgrade --id CometNetwork.BitComet
Uninstall
winget uninstall --id CometNetwork.BitComet

About BitComet

BitComet is a free BitTorrent download client which is powerful, super-fast and easy-to-use.

What's new in 2.21

GUI Improved: Added advanced setting options: bittorrent.transfer_thread_pool, using worker threads for BT transmission encryption and decryption operations, disabled by default GUI Improved: Added advanced setting options: bittorrent. advertising. external. utp-port, which notifies the external uTP port through PEX in NAT1 environment, defaults to true GUI Improved: Added advanced setting options: dht.outbound_pps_imit, dht.outbound_pending_request_limit, dht.passive_reply_pps_limit, dht.passive_reply_pending_limit GUI Improved: Remove advanced setting option: dht.udc_send_queue_threshold GUI Improved: Added advanced settings option: network.udp_socket_buffer_size_mb, default to 8MB GUI Improved: The default value of advanced settings option network.max_connecting_connections_per_tracker changed to 0 (automatic) GUI Improved: Added categories of "BT transmission thread", "DHT thread", and "uTP thread" to the CPU usage statistics in the traffic graph GUI Improved: Add uTP Port column to the peer list of BT task, hidden by default GUI Improved: The Add Peer dialog box in peer list of BT Task supports # and // inline comments GUI Improved: Improve the window dark mode switching mechanism GUI Improved: Added options in Remote Access Page: Local client bypass authentication, IP whitelist clients bypass authentication GUI Improved: Added command-line parameter --profile, which can specify the program configuration file directory for independent testing GUI Improved: The number of HTTP Tracker connections in the statistics page is divided into two categories: pending and half ope...

Read release notes

Version history

Version Updated Notes
2.21 Unknown GUI Improved: Added advanced setting options: bittorrent.transfer_thread_pool, using worker threads for BT transmission encryption and decryption operations, disabled by default GUI Improved: Added advanced setting optio...
2.20 Unknown GUI Improved: Add a filter input box to the file list page GUI Improved: Add a filter input box to the file list in the BT task properties dialog GUI Improved: After enabling the "Create subdirectory for torrents with on...
2.19 Unknown GUI Improved: Automatically triggers port detection after changing the listening port using command-line parameter ` -- bt_port ` GUI Improved: Added advanced settings option: network.check_port_interval_hour, scheduled...
2.18 Unknown GUI Improved: Remove code related to IE browser plugins GUI Improved: Remove the TCP/IP connection limit page in options dialog for Windows XP and Vista GUI Improved: Add a 'Untagged' button to the label toolbar above th...
2.17 Unknown GUI Improved: The BT task properties dialog's advanced page adds a separate anti-leech option, which has a higher priority than the global settings. GUI Improved: The BT task properties dialog's advanced page adds a sepa...
2.16 Unknown GUI Improved: Add task type filter to the left sidebar. GUI Improved: Add ED2K hash information column to the file list. GUI Improved: The context menu of the file list allows to copy the ED2K link of the selected file....
2.08 Unknown GUI Improved: Add SHA512 checksum verification to HTTP task properties dialog GUI Improved: Update the IP2Location data version. The data version is displayed in the global log in Expert mode GUI Improved: Supplement cou...
2.07 Unknown GUI Improve: When adding task by click a magnet link, holding down the Ctrl key will not display the new task dialog box and will directly create the task using default parameters GUI Improve: The date format of the Come...
2.06 Unknown No notes
2.05 Unknown - GUI Improve: The traffic graph displays the disk read and write speed - GUI Improve: Added advanced options related to disk write cache too large prompts:ui.disk_writing_buffer_warning and ui.disk_writing_buffer_warnin...
2.03 Unknown - GUI Improve: The Remote Download page of the Options window allows you to set the RSS feed password to access the local task list - GUI Improve: The torrent maker window displays the number of files the task contains -...
2.01 Unknown - GUI Improve: New Option in BT Task of Option Window: Delete torrent file after adding task - GUI Improve: Add a scroll bar to the page on the right side of the options window - GUI Improve: Floating window supports dra...
2.00 Unknown - GUI Improve: the clipboard monitoring feature supports Infohash string recognition - GUI Improve: when monitoring links in the clipboard, malformed magnet links are ignored - GUI Improve: a prompt is displayed when the...
1.98 Unknown - GUI Improve: Remember whether to add to blacklist when remove torrent entries - GUI Bugfix: The status of UDP port in the global statistics is inaccurate - Core Bugfix: When the long-term upload cache is insufficient,...
1.97 Unknown - GUI Improve: new command in context menu of RSS list: Rename feed - GUI Improve: enhance RSS download filter in Option dialog: rename and set task tag for each feed - GUI Improve: after enable the expert mode, the BT t...
1.95 Unknown - GUI Improve: new command in context menu of RSS list: Rename feed - GUI Improve: enhance RSS download filter in Option dialog: rename and set task tag for each feed - GUI Improve: after enable the expert mode, the BT t...
1.91 Unknown - GUI Improve: new option in HTTP task properties dialog: send custom HTTP headers to mirror addresses - GUI Improve: new option in add HTTP task page of Remote Download: send custom HTTP headers to mirror addresses - GU...
1.90 Unknown - GUI Improve: file names in torrent can be renamed in task properties dialog when task stopped - GUI Improve: file names in torrent can be renamed in file list pane when task stopped - GUI Improve: add advanced option:...
1.89 Unknown No notes
1.88 Unknown - GUI Improve: add format option in torrent maker dialog, including v1, v2 and hybrid format - GUI Improve: display Infohash v1 and Infohash v2 separately in BitTorrent task summary pane - GUI Improve: display the number...