Universal Theme Patcher 1.5.0.22 (build 20090409)
A legacy third-party visual-style patcher for Windows XP, Vista and 7-era systems, with per-file patch and restore controls—not a Windows 11 theme tool.
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Universal Viewer 5.7.3
View text, images and supported media files in one Windows application. This download is Universal Viewer Free 5.7.3, supplied as a ZIP package by UVviewsoft.
Universal x86 Tuning Utility 26.3.1
Adjust power limits and temperature targets on supported AMD and Intel Windows PCs, save custom presets, or use temperature-based Adaptive Mode with free, open-source UXTU.
Unleashed Recompiled 1.0.3
Run the Xbox 360 version of Sonic Unleashed on Windows through an unofficial native PC port with ultrawide and high-frame-rate options. Requires your own legally acquired game files.
UpNote
Write and organize notes with notebooks, tags and Markdown support in UpNote for Windows 10/11. Read and edit offline, with account-based sync across devices; the free tier is limited to 50 notes.
UPX 5.3.0
Compress supported Windows executables and DLLs with UPX, a free, open-source command-line packer. This download is the Windows x64 ZIP package.
UPX Shell 3.2.1.2007
Use UPX through a graphical Windows interface to pack executables. This entry links to the legacy UPX Shell 3.2.1.2007 EXE package.
USB Device Tree Viewer 4.8.0
Inspect USB controllers, hubs and connected devices in a tree view, with device descriptors, drive letters and COM ports. This freeware Windows utility links hardware connections to detailed device information.
USB Drive Letter Manager 5.7.6
Assign preferred letters to USB drives and avoid conflicts with network mappings using USBDLM, a Windows service configured through an INI file.
USB Network Gate 11.0.2772
Share USB peripherals over a network and access them from another Windows computer. The free version shares one local device for non-commercial use; paid licenses support broader use.
USB Oblivion 1.17.0.0
Remove stale USB-device registry entries with USB Oblivion, a portable Windows utility with simulation mode and registry backups. Cleaning requires administrator access and an immediate restart.
USBDeview 3.10
Inspect connected and previously used USB devices, export their details and manage device states with USBDeview, a free portable Windows utility.
USBDriveLog 1.15
View USB drive connection history on Windows 10 and 11, including device details and plug/unplug times, with NirSoft's standalone freeware utility.
USBImager 1.0.10
Write raw or compressed disk images to USB drives with USBImager, a free, MIT-licensed utility. This Mac download is the publisher-linked ARM ZIP build.
USBImager 1.0.10
Write raw or compressed disk images to USB drives with USBImager, a free, open-source utility. This Windows download uses the simplified write-only interface.
UTM 5.0.8
Run Windows, Linux and other operating systems in virtual machines on your Mac with UTM, a free, open-source app built on QEMU and Apple Virtualization.
uTorrent 1.8.7
Download and manage torrents with uTorrent Classic, the free legacy Mac desktop client. It is not compatible with macOS Catalina 10.15 or later.
uTorrent Classic
Manage multiple torrent downloads on Windows with uTorrent Classic, a desktop client with bandwidth controls, scheduling and RSS automation. The free Basic edition contains ads.
UVtools 7.1.2
Inspect and repair sliced resin-print files with UVtools for Windows. Review layers, detect islands and resin traps, adjust print settings, and convert supported MSLA/DLP formats.
UVtools 7.1.2
Inspect and repair sliced resin-print files, adjust print settings and convert supported formats with UVtools for Mac. This download is the Apple silicon ZIP.
UWPHook 2.14.3
Add installed Windows Store and Xbox Game Pass apps to your Steam library with UWPHook, a free, open-source Windows utility for creating launch shortcuts.
UxStyle 0.2.4.2 Community Edition (pre-release)
A discontinued Windows theme-signature utility that loads a service and kernel driver in memory; use its legacy support boundaries, not modern Windows claims.
v2rayN 7.25.6
Manage proxy server profiles, subscriptions and routing on Windows with v2rayN, a free, open-source desktop client for Xray, sing-box and other cores.
ValiDrive 1.0.1
Spot-check USB drives for missing storage with ValiDrive, a free Windows utility that writes and reads test data across the drive's declared capacity.