Nowadays, electronic devices that use Bluetooth to communicate with computers are becoming more and more popular, such as mobile phones, headset, mouse and keyboard. Bluetooth devices have minimum requirements for the version of the Bluetooth adapter on the computer, because a lower version of Bluetooth adapter cannot use a higher version of Bluetooth device. If you want to know the version of the Bluetooth adapter on your computer, in addition to manually checking (the LMP number) in the device manager, you can also use specialized software to solve this problem more easily.

In order to prevent unauthorized people from opening some apps on our smartphone and exposing privacy, we can use the built-in or third-party app locking feature. On computer, we can use the professional AskAdmin or the more friendly Simple Run Blocker to block given programs from being run by others. For example: forbid children to open certain games or software.

If we use the built-in firewall of Windows to prevent the specified programs from connecting to the Internet, we need four steps at least: 1) Enter the Control Panel; 2) Open Windows Firewall; 3) Click Advanced settings; 4) Add new rules. If you want to simplify firewall operation (preferably one-click) and can't stand the high system resources occupancy of third-party firewalls, then Firewall App Blocker is probably what you're looking for!

Hosts Editor, as the name implies, it is a lightweight (500 KB) and practical hosts file managing utility, which can fast and conveniently open and manage the hosts file, including editing, permission setting, backup and restore, DNS cache refreshing, etc. - just a few clicks.