You can downloead Microsoft Office from Microsoft official website and Install it

Its very simple, just follow the simple steps as given below.

Step 1. Search Excel on Application or Windows
Step 2. Open Application
Step 3. Start with Basic Workbook or Select Templates

When you work with a large Excel worksheet, it’s often difficult to remember exactly what kind of data, columns, or rows contain once you begin scrolling around the sheet.

 To freeze the top row or first column:

1. In the top Ribbon, from the View tab, Windows Group, click the Freeze Panes drop down arrow
2. Select either Freeze Top Row or Freeze First Column
3. Excel inserts a thin line to show you where the frozen pane begins

To freeze several rows:

1. Select the row that is immediately beneath the last row you want frozen
2. From the View tab, Windows Group, click the Freeze Panes drop-down and select Freeze Panes
3. Excel inserts a thin line to show you where the frozen pane begins

 To freeze several columns:

1. Select the column that’s immediate to the right of the last column you want frozen
2. Select the View Tab, Windows Group, click the Freeze Panes drop-down and select Freeze Panes
3. Excel inserts a thin line to show you where the frozen pane begins

 To freeze horizontal and vertical headings simultaneously:

1. Select the cell in the upper-left corner of the range you want to remain scrollable
2. Select View tab, Windows Group, click Freeze Panes from the menu bar
3. Excel inserts two lines to indicate where the frozen panes begin

To restore the workbook to its normal view:

1. Select View tab, Windows Group, click Freeze Panes and select Unfreeze Panes