A clean start may be in order if your computer is getting sluggish. Keeping your computer operating smoothly for much longer than you might expect is possible if you regularly wipe and reinstall the operating system. This will clear out junk files and crust that slow performance. This process should only take you an hour or two if you regularly back up your files. learn How to Wipe Clean a Windows Computer and Start Over.
Burn a disc or get an installation USB drive. Using a Windows installation disc or USB drive is the most convenient way to wipe your computer clean and start over. Your current version of Windows must be the same as this one. You will need an installation disc for Windows 7 if you use it. Your computer came with either a disc or you can make one yourself. To use this software, you will need at least 4 GB of storage on a DVD or USB drive:
- The ISO file for Windows 7 can be downloaded from Microsoft with your product key. Using the ISO file that you just downloaded, create an installation DVD or USB drive using Windows DVD/USB Download Tool.
- For Windows 8, click “Create media” on the Microsoft Windows 8.1 download page. The tool can be used to create an installation DVD or USB drive by running the program and following the prompts.
- Click on the “Download tool now” button on the Windows 10 download page. To create an installation DVD or USB drive for Windows 10, follow the instructions in the tool.
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Make a backup of any important files. All files on the computer’s drive will be deleted when you wipe your computer and reinstall Windows. Don’t forget to store any important files elsewhere, such as on an external hard drive or in a cloud storage service. Once you are done, you will need to reinstall all of your programs.
- To learn how to back up your important files, see How to Back Up Data.
Install the software from a CD or USB drive. You are now ready to begin the process of wiping and reinstalling everything important. The installation disk will be booting the computer instead of the hard drive. In order to boot from the drive that you just created, you must set your computer to boot from the installation disc. Depending on whether your computer came with Windows 8 or earlier (UEFI vs. BIOS), the installation process is different.
- If you are using Windows 7 (BIOS), you will need to restart your computer and then press the BIOS, Setup, or Boot key. You can use F2, F10, F11, or Del. From the BOOT menu, select your primary boot device like a DVD or USB. From the BOOT menu, select your primary boot devices like a DVD or USB.
If you’re using Windows 8 (UEFI), right-click the Power button from the Start menu. Click on “Restart” while holding down “Shift.” Select “Troubleshoot” from the menu that appears. Select “Advanced options” and click “UEFI Firmware Settings.” This will open your UEFI system settings menu. Changing the boot order of your computer can be accomplished through the Boot section of this menu.
Click the Install button. You can load the Windows Setup program by pressing any key on your keyboard. You may need several minutes for the setup to complete.
Please select your preferred language. You will be prompted to choose a language before installation begins. Once you have selected a language, click “Install Now” to get started.
Type the product key into the box. If you’re installing Windows 8 or later, you will be asked for your Windows product key. Once the installation of Windows 7 is complete, a product key will be required. Entering your product key later is okay if you want to skip this step.
Choose “Custom” installation. Your computer can then be reset to a clean slate, and all your data will be deleted.
Choose the disk where Windows is installed. The drive will usually appear as a “Primary” drive, and you will usually find it labeled with the version of your operating system.
Delete the partition by clicking on the “Drive options” button and then clicking “Delete.” This action will erase all information on the partition. Now “Unallocated space” will be displayed.
- In the same way, you can remove and merge any other partitions you wish. Your data will be wiped out along with them. By clicking “Extend,” you can create a single partition from a block of unallocated space.
- It is possible to divide the partition into multiple partitions. You can use this to organize your files. In order to create partitions from an unallocated area, select it and click “New.” Be sure to select a partition that is at least 20 GB in size before you start creating your partitions.
Click “Next” when you have selected the partition where Windows will be installed. It typically takes around 20 minutes to copy and install Windows.
Sign up for an account. A user account will need to be created after the files have been copied. Administrator rights will be assigned to this account. The name of the computer will also be required. Your computer will be identified by this name on the network.
If you have a Windows 7 product key, type it in here. The product key must be entered during the installation of Windows 7. If you intend to enter your key later, you can skip this step for now.
Click on Windows Update. To ensure that everything remains current and secure, most users should choose the “Recommended” options.
Set the time and date. You may need to make manual adjustments to the date and time on your computer if they are not automatically selected.
Figure out what type of network you are on. Ensure your environment complements that type of network. Sharing and security settings will be affected.
Use Windows to get started. Your desktop will appear after you select your network type. Your product key will be asked if you haven’t entered it yet.