Notes：

New features of v5.10.2 version:

Client UI function
HCL homepage has been optimized, including improvements to project operations, project update record, packet capture, HCL Hub interaction, exercise and competition functions, and overall usability.
One-click repair and upgrade functions have been added to the HCL homepage, along with an updated User Guide.

Simulation product updates
Wireless Device Optimization: AP now supports enabling multiple radios, connecting up to 35 terminal devices, and adjusting signal range size through the radio. Additionally, AC and AP now support network card enhancement, while AC supports IRF.
Addition of Cloud devices: Cloud can now connect to other devices with HCL or third-party software through UDP tunneling.
VPCS devices have been added, simulating virtual PCs with expanded functions and optimized resource consumption.
Server2 devices have been added, based on Openwrt and providing basic Openwrt functions for experiments, with customizable configurations for FTP, DNS, Radius authentication, multicast simulation, 802.1x clients, and other services.
Custom devices now support H3C NFV devices and allow configuration of device images in settings, currently supporting VSR/VFW series products.
Certain devices now support network card enhancement function, enabling the expansion of connection interfaces.
Performance optimization of simulated devices.

·For HCL v5.5.0 version:
Client UI function part
1. Add wireless product functions: the client adapts to wireless product functions, and can add AC, AP and Phone devices and conduct experiments
2. Support to open CLI with third-party console software
3. The built-in putty console window supports zooming, supports shortcut keys to switch windows, and supports adjusting font size
4. Added the function of linking with the HCLHub community
Simulation product part
1. Add AC, AP, and Phone devices. One AP only supports one terminal device to go online. One AP only supports Radio 1 binding to one service template. Radio 2 does not support binding at the moment.
2. Add new server, provide HTTP server, FTP server, TFTP server, SFTP server, DNS server, LOG server and other functions

·For HCL_v5.5.0 the VirtualBox version has been updated to 6.0.14 and supports Windows 10 2004 and 20H2 versions. Recommended for Windows 10 systems.
It also works for window11 systems, but if virtualbox installation fails, please turn off memory integrity in windows security center.
Operating instructions： Open Windows Settings>Update&Security>Windows Security>Device Security and then under Core isolation, selecting Core isolation details.
Then Turn off the option "Memory Integrity".

·For HCL_v3.0.1.1 the VirtualBox version has been updated to 6.0.14 and supports Windows 10 2004 and 20H2 versions. Recommended for Windows 10 systems.
It also works for window11 systems, but if virtualbox installation fails, please turn off memory integrity in windows security center.
Operating instructions： Open Windows Settings>Update&Security>Windows Security>Device Security and then under Core isolation, selecting Core isolation details.
Then Turn off the option "Memory Integrity".

·For HCL_v2.1.2.1, the VirtualBox version has been updated to 6.0.14 and supports Windows 10 2004 and 20H2 versions. Recommended for Windows 10 systems.

·For HCL_v2.1.1.1, the VirtualBox version has been updated to 5.1.22. Recommended for Windows 7 systems.