If your PC doesn’t meet the hardware requirements, you’ll see a message saying "This PC can't run Windows 11"
From this screen, hit WIN + r to open the Command Prompt window
Type "regedit" and hit enter
The Windows Registry Editor will now open.
In the address bar, type "HKEY_LOCAL_MACHINE\SYSTEM\Setup" and enter
give a name, "LabConfig" and hit entery key.
Right-click the new key you’ve created and choose New > DWORD (32-bit) value
Give it the name "BypassTPMCheck" and set its data to 1
Create addition keys using the same process for
"BypassRAMCheck"
"BypassSecureBootCheck" with the value of 1.
Back to the "This PC can’t run Windows 11" message.
Click the back button in the top-left corner
Now, You can able to complete the installation as normal.
The other reason that people fail the upgrade is that they do not realize that a lot of free space is needed in order for the update to install. If users have completed all the required steps before starting the installation process, the cause for the 0xC1900101 – 0x60016 error can be quite complicated.
How to fix error code 0xC1900101 upgrading to Windows 11
The error codes starting with 0xC1900101 or 0x80090011 can indicate various problems during the Windows 11 upgrade process.
These are the common "0xC1900101" errors that you may come across upgrading to Windows 11:
The setup of Windows 11 requires several gigabytes of space to process the upgrade. If the device does not have enough available space, you may see one of the 0xC1900101 error codes. You can get around this problem by using the "Storage" and "Apps & features" settings to free up space.
You can use this guide to find many tips to delete unnecessary files to free up storage space.
Disconnect devices
If the computer has peripherals like external drives, printers, Bluetooth devices, USB devices, cameras, disconnect them before proceeding to reduce the chances of errors and other issues upgrading to Windows 11. You can always reconnect them after the upgrade.
Uninstall security apps
If there is a problem with third-party security software, you will likely see the error codes 0xC1900101 0x20017 and 0xC1900101 0x30017.
Repair corrupted files
1. Press Windows + X keys altogether to launch the Power menu
2. Select Run option on the list and type cmd in the text box
3. Now press Ctrl + Shift + Enter to open Command Prompt as Admin
4. If the UAC dialog appears up, click Yes to authorize the access
5. On the elevated console, type the following command, and press Enter:
1 Empty the Recycle Bin
2 Delete temporary files
3 Uninstall apps you don’t use
4 Clean the download folder
Empty the Recycle Bin
The files you delete from your hard drive are not automatically deleted. Rather, they move to a special folder called the Recycle Bin and stay there as long as you don’t decide to empty this folder. This also serves as a backup measure against accidental deletion.
To empty the Recycle Bin and thereby make more space on your hard drive, do the following.
Go to your desktop and right click on the Recycle Bin item.
Then select the Empty Recycle Bin option.
To finish, confirm the requested operation.
Delete temporary files
Temporary files are files that are generated by the system’s own operation, including the use of programs and Internet browsing. They tend to be stored indeterminately if no maintenance is done on the PC. Its elimination is very simple using the following procedure.
In the search box on the taskbar, type disk cleanup.
From the list of results select the Disk Cleanup application.
Enter the System section and select Storage.
Next, click Temporary files.
Check the boxes for the items displayed in the Files that can be removed window and click OK.
Confirm the requested action.
For a more thorough clean, go back into Disk Cleanup and click Clean up system files. Check the boxes of items that can be removed without affecting the operation of the system and click OK. Confirm the requested action and restart your PC.
Uninstall apps you don’t use
Having many applications unused for long periods of time not only contributes to a lack of space but can also affect the performance or security of the system as it is also possible that they are outdated versions.
To Fix Windows 11 Update Error 0x80070070, Minimum 6GB Disk space is required in OS partition
Here are the requirements for Windows 11 that your PC/Laptop should have.
Processor
1 gigahertz (GHz) or faster with 2 or more cores on a compatible 64-bit processor or System on a Chip (SoC)
RAM
4 GB
Storage
64 GB or More
System firmware
UEFI, Secure Boot capable
TPM
TPM version 2.0
Graphics card
DirectX 12 or later with WDDM 2.0 driver
Display
HD display that is greater than 9” diagonally, 8 bits per color channel
Internet
Microsoft account and internet connectivity
Create Windows 11 Installation Media
If you want to perform a reinstall or clean install of Windows 11 on a new or used PC, use this option to download the media creation tool to make a bootable USB or DVD.
Only 8th generation processors are supported for Windows 11. This is been specified by the PC manufacturers for improved security and performance. Windows 11 supported Intel processors
If you have a computer with unsupported hardware, you may still be able to upgrade to Windows 11.