Facing challanges for installation of kubernest cluster setup through kubeadm on RHEL Vm

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i m trying to install kubernetes multi node cluster through kubeadm on RHEL vm and after executing "kubeadm init " command i got below error .
0207 13:54:32.300388 4628 version.go:256] remote version is much newer: v1.29.1; falling back to: stable-1.26
[init] Using Kubernetes version: v1.26.13
[preflight] Running pre-flight checks
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR IsPrivilegedUser]: user is not running as root
[preflight] If you know what you are doing, you can make a check non-fatal with --ignore-preflight-errors=...
To see the stack trace of this error execute with --v=5 or higher

Cluster information:

Kubernetes version: Kubernetes version: v1.26.13
VM ware: RHEL 8 Vm
Installation method: kubeadm
Host OS: Win 11
CNI and version:
CRI and version:

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