Make Windows XP faster and optimal (without software)

Minimize the visual effect
Open the Start Menu -> Control Panel -> System Properties. Open the Advanced tab. Click on the Performance setting. In the Visual effects tab select Adjust for Best Performance. Then check the option Use visual styles for windows and buttons to keep your windows look like Windows XP.
Setting the optimal virtual memory
Open the Start Menu -> Control Panel -> System Properties. Open the Advanced tab. Click on the Performance setting. Click the Advanced tab. At the bottom there is the option Virtual Memory, click on the words Change. Use a custom size. Fill with:
Minimum: 1024 MB
Maximum: 2048 MB
Scan and defragment regularly
Scan (once a week) and defragment (once a month) your hard drive regularly. Open Windows Explorer, right click on your hard drive, select Properties. Open the tools tab. Select error checking to run a scan disk, and select the defragmentation to defragment your hard drive.
Similarly tips to make Windows XP faster and optimized, without any additional software. Hopefully useful