VirtualBox 是一个跨平台开源虚拟化软件，支持 GNU/Linux、Windows、macOS 和 Solaris 等各种系统。
更新日志：
VirtualBox 6.1.18 (released January 19 2021)
This is a maintenance release. The following items were fixed and/or added:
• Nested VM: Fixed hangs when executing SMP nested-guests under certain conditions on Intel hosts (bug #19315, #19561)
• OCI integration: Cloud Instance parameters parsing is improved on import (bug #19156)
• Network: UDP checksum offloading in e1000 no longer produces zero checksums (bug #19930)
• Network: Fixed Host-Only Ethernet Adapter DHCP, guest os can not get IP on host resume (bug #19620)
• NAT: Fixed mss parameter handing (bug #15256)
• macOS host: Multiple optimizations for BigSur
• Audio: Fixed issues with audio playback after host goes to sleep (bug #18594)
• Documentation: Some content touch-up and table formatting fixes
• Linux host and guest: Support kernel version 5.10 (bug #20055)
• Solaris host: Fix regression breaking VGA text mode since version 6.1.0
• Guest Additions: Fixed a build failure affecting CentOS 8.2-2004 and later (bug #20091)
• Guest Additions: Fixed a build failure affecting Linux kernels 3.2.0 through 3.2.50 (bug #20006)
• Guest Additions: Fixed a VM segfault on copy with shared clipboard with X11 (bug #19226)
• Shared Folder: Fixed error with remounting on Linux guests下载地址：
链接：https://pan.baidu.com/s/15mi3E6QmgPdVxTzOMBWWKw 提取码：52pj 注意：从版本6.0开始不再支持32位系统，若需在32位系统使用，请使用5.2版本。