GParted Live (64-bit)

GParted Live is a compact, bootable GNU/Linux distribution for x86-based systems. It allows you to use all of the application's features from the latest editions. GParted Live for USB 64 bit is a free partition editor that allows you to graphically manage your drive partitions. With GParted, you may resize, copy, and transfer partitions without losing data, allowing you to grow or reduce your C: drive, make room for new operating systems, and try to recover data from lost partitions. 

It works on x86 and x86-64 machines running Linux, Windows, or macOS when booted from a GParted Live CD/USB/PXE/HD. 

These installation techniques are only applicable when the USB flash drive is formatted in the FAT file system. Some users claimed that only the FAT16 file system worked for them. For other file systems, you could try grub or another boot loader. 

GNOME PARTition EDitor was originally designed as partition editing software, although there are many other names for the same or equivalent functions, such as Partition Management, Partition Manager, Partition Editing, Partition Editors, and Partitioning Software.

Enables you to easily manage your disk partitions

• Create partition tables (e.g., msdos, gpt). 
• Partitions can be created, moved, copied, resized, checked, labeled, assigned a new UUID, or deleted. 
• Enable and disable partition flags (e.g., boot, hidden). 
• Align partitions on mebibyte (MiB) or standard cylinder boundaries. 
• Attempt to rescue data from lost partitions.

It works with the following storage devices

• Hard disk drives (SATA, IDE, and SCSI) 
• Flash memory devices, such as USB memory sticks, SSDs, and NVMe devices. 
• RAID devices (hardware, motherboard BIOS, and Linux software RAID) 
• All sector sizes (for example, devices having 512, 1024, 2048, 4096-byte sectors, and more)

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Also, check GParted Live (32-bit)