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 6.1.34 (released March 22 2022)
This is a maintenance release. The following items were fixed and/or added:
• VMM: Fix instruction emulation for “cmpxchg16b”
• GUI: Improved GUI behavior on macOS Big Sur and later when kernel extensions are not loaded
• EHCI: Addressed an issue with handling short packets (bug #20726)
• Storage: Fixed a potential hang during disk I/O when the host I/O cache is disabled (bug #20875)
• NVMe: Fixed loading saved state when nothing is attached to it (bug #20791)
• DevPcBios: Addressed an issue which resulted in rejecting the detected LCHS geometry when the head count was above 16
• virtio-scsi: Improvements
• E1000: Improve descriptor handling
• VBoxManage: Fixed handling of command line arguments with incomplete quotes (bug #20740)
• VBoxManage: Improved ‘natnetwork list’ output
• VBoxManage: NATNetwork: Provide an option (–ipv6-prefix) to set IPv6 prefix
• VBoxManage: NATNetwork: Provide an option (–ipv6-default) to advertise default IPv6 route (bug #20714)
• VBoxManage: Fix documentation of “usbdevsource add” (bug #20849)
• Networking: General improvements in IPv4 and IPv6 area (bug #20714)
• OVF Import: Allow users to specify a different storage controller and/or controller port for hard disks when importing a VM
• Unattended install: Improvements
• Shared Clipboard: Improved HTML clipboard handling for Windows host
• MacOS host: Fix handling of non-ASCII characters in the guest control functionality (bug #20792)
• Linux host and guest: Introduced initial support for kernel 5.17
• Solaris package: Fixes for API access from Python
• Solaris IPS package: Suppress dependency on libpython2.7.so.*
• Linux host and guest: Fixes for Linux kernel 5.14
• Linux Guest Additions: Fixed guest screen resize for older guests which are running libXrandr older than version 1.4
• Linux Guest Additions: Introduced initial support for RHEL 8.6 kernels (bug #20877)
• Windows guest: Make driver install smarter
• Solaris guest: Addressed an issue which prevented VBox GAs 6.1.30 or 6.1.32 from being removed in Solaris 10 guests (bug #20780)
• EFI: Fixed booting from FreeBSD ISO images (bug #19910)
下载地址：
VirtualBox 6.1.34 Build 150636：支持64位系统
https://download.virtualbox.org/virtualbox/6.1.34/VirtualBox-6.1.34-150636-Win.exe
VirtualBox 5.2.26 Build 128414：支持32位系统
https://download.virtualbox.org/virtualbox/5.2.26/VirtualBox-5.2.26-128414-Win.exe
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。
VirtualBox 5.1.30 Build 118389：支持XP版本
https://download.virtualbox.org/virtualbox/5.1.30/VirtualBox-5.1.30-118389-Win.exe
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